calcium hydroxide and hydrochloric acid net ionic equation

around the world. + 2NaCl(aq). Problem #32: Write the net ionic equation for the following reaction: Problem #33: Complete the reaction & write the net ionic equation: Note the presence of solid magnesium hydroxide. An ionic bonded and dissociated compound, calcium oxide, Use H3O+ instead A. Solubility rules generally identify most phosphates as insoluble (with some exceptions noted). To write the net ionic equation for Na2CO3 + HCl we follow three steps. A. Here's another NR: Which net ionic equation best represents the reaction that occurs when as aqueous solution of potassium nitrate is mixed with an aqueous solution of sodium bromide? This is the correct net ionic: If you were to treat NH3 like HCl, this would be wrong: That sure does look like a plausible chemical reaction! Strong Acid + Strong Base Nothing precipitates. Oh, and both reactants are soluble and ionize 100% in solution. Write the net ionic equation for the reaction of magnesium sulfide and excess hydrobromic acid. The net ionic equation would be NR. Using NH3, here is the non-ionic: As you can see, it's the same as the total ionic. Hence, it is written in molecular form. Write the balanced NET IONIC equation for the reaction We can test for positive metal ions using flame tests and the sodium hydroxide test: Mix with H2SO4 to release CO2 gas, then detect the CO2 with Ba (OH)2 CO32 Add H2SO4 and look for a color change with blue litmus paper Cl- Look for white precipitate to form when mixed with BaCl2 SO42- Look for a pale yellow precipitate when treated with AgNO3 I- Look for a yellow precipitate when mixed with I- ions Ag+ LiCl (s)+H2SO4 (aq) What is the best estimate of the capacity of a juice box? Notice how the question asks you what the net ionic equation is. Doesn't it have pulp in it so it's a suspension? How do you calculate concentration of ions in a solution? On the left-hand side, two hydrogen ions and two hydroxide ions reacted to form two water molecules. Balanced chemical equation: Total ionic equation: Net ionic equation: This problem has been solved! Some strong bases like calcium hydroxide aren&x27;t very soluble in . of H+. Let's start by writing a complete molecular equation: 3) Eliminate spectator ions to get the net ionic: However, nothing tells you to eliminate sodium ion until you actually do the problem. What part of an acid and base actually combines in a neutralization reaction? answered by A H+ and Cl. J.R. S. A sodium hydroxide solution was standardized by titrating 47.39 mL of 0.1582 M standard. net ionic: 2H3PO4() + 3Ba2+(aq) + 6OH-(aq) ---> Ba3(PO4)2(s) + 6H2O(). Explain your reasoning for each by writing balanced net ionic equation t0 describe the behavior of each non-neutral salt in water: NaC HCO; HCL HCN, NaOH; NH ,, NaCN, NaNO , NH CN, HSO, NHCL HSO , NaHCO , Na PO,and HCHO; 5.A solution is prepared by mixing 34.5 grams of ammonium chloride with 650.0 mL of . The reaction produces iron(III) sulfide and aqueous hydrogen bromide. 2) Therefore, the net ionic equation is : 3) The difficulty is that you might think that's not the correct answer. water. Weak Acid + Strong Base C. Strong Acid + Weak Base D. Weak Acid + Weak Base The extent of this reaction This problem has been solved! The net ionic equation for the reaction between zinc and hydrochloric acid solution is A) ZnCl2 (aq) + H2 (g) ZnS (s) + 2 HCl (aq). The complete ionic equation will be as follows: 2H+(aq) + 2NO3-(aq) + Ca(OH)2(s)Ca2+(aq) + 2NO3-(aq) + 2H2O (l) Write the state (s, l, g, aq) for each substance.3. 2) Here is the net ionic equation (after removal of all spectator ions): 2Al3+(aq) + 6OH-(aq) + 2H2O() ---> 2Al(OH)3(s) + 2H2O(). . Set up a funnel, filter paper, and a clean beaker and filter about 50 mL of saturated Ca(OH) 2 solution into a clean 100 mL beaker. 1 Answer anor277 Apr 5, 2018 2H O +2H + 2H 2O(l) Explanation: And you could even simplify that, how? What is the meaning of The Shield of Zeta Phi Beta sorority Incorporated? Now, can you answer the question I asked earlier in this lesson. What are the molecular and net ionic equations? hydrochloric acid + calcium hydroxide -> calcium chloride + water. The balanced equation will be: There are three main steps for writing the net ionic equation for HCl + KOH = KCl + H2O (Hydrochloric acid + Potassium hydroxide). Use H3O+ instead of H+. Notice in the molecular equation, above, that substances with the (aq) tag are soluble or ionizable in water (they break apart). You may want to write an equation corresponding to the hydroxide displacement in water (The Grotthuss mechanism) but it is not a measurable process since the reactants and products are the same. The full chemical equation is: CaSO4 + 2HCl --> H2SO4 + CaCl2 This states that calcium sulfate plus hydrochloric acid becomes sulfuric acid and calcium chloride. 1) Ammonium hydroxide does not actually exist. The extent of this reaction. KNO3(aq) + NaBr(aq) ---> NaNO3(aq) + KBr(aq). answered 12/03/19, Ph.D. University Professor with 10+ years Tutoring Experience, 2HCl(aq) + Sr(OH)2(aq) ==> SrCl2(aq) + 2H2O(l) molecular equation, 2H+(aq) + 2OH-(aq) ==> 2H2O(l) net ionic equation. Problem #35: Write the net ionic equation for this reaction: The lack of state symbols is deliberate. to give one molecule of calcium sulfate and TWO molecules of net ionic: NaOH(s) + H+(aq) ---> Na+(aq) + H2O(). Choose an expert and meet online. The hydrogen in the HCl is transfered (as an ion) to the water, making H3O+, which is called the hydronium ion. Notice that all four substances are ionic and soluble. That means that each substance ionizes 100% to give this total ionic equation: Everything is identical on each side of the arrow, so everything is eliminated for being a spectator ion. 33694 views This reaction is classified as: A. We have a base called potassium hydroxide, reacting with an acid called hydrochloric acid. Next, lets write the Total Ionic Equation, like this. What is the balanced equation for hydrochloric acid and calcium hydroxide? Perchloric acid is a strong acid; it ionizes 100% in solution. D. Weak Acid + Weak Base, The extent of this reaction is: compound. CH3COOH (Acetic acid) is an exception whereas such compounds whose chemical formula ends with OH, for example, KOH (Potassium hydroxide), NaOH (Sodium hydroxide) is known as the base. Lets see if writing the net ionic equation can help answer our question. A teacher walks into the Classroom and says If only Yesterday was Tomorrow Today would have been a Saturday Which Day did the Teacher make this Statement? See the answer Write the balanced chemical equation for the reaction of hydrochloric acid with calcium hydroxide. Sodium hydroxide is used extensively in acid-base titrations because it is a strong, inexpensive base. That's because you might think the formula As(OH)3 is a hydroxide and, thus, think that the hydrogen ion reacts with the arsenic hydroxide (which is the wrong name for the compound) to give this wrong answer: and conclude that no reaction took place, that the AsCl3 simply dissolved in water and ionized. Weak Acid + Strong Base The above is written as a complete molecular equation. 4. The second method is more reflective of the actual chemical process. That is NOT considered a chemical reaction. I missed the day we went over this and class, and am having trouble learning from the book. The total ionic is this: 3) The above is also the net ionic. The net ionic equation for this reaction is: Consider the reaction when aqueous solutions of barium hydroxide and chromium(II) chloride are combined. Ca(OH)2 is only slightly soluble, but what does dissolve, ionizes 100%. And another NR: What are the balanced molecular and net ionic equations for ammonium nitrate + potassium sulfide reacting? hydroxide are combined. chloride and barium Why is orange juice considered a solution? If the phosphoric acid were in aqueous solution, this would be the net ionic: Since phosphoric acid is a weak acid, it is written in the molecular way when dissolved in aqueous solution. However, in this example, the sulfuric acid will react completely, so we treat it as fully dissociated. 5 0 obj A. Solid Calcium Hydroxide: A calcium hydroxide solution is also referred to as limewater. Problem #36: Hydrogen sulfide gas reacts with iron(III) bromide. Write the net ionic equation in which solid magnesium carbonate (MgCO3) is dissolved in dilute hydrochloric acid (HCl). What is the net ionic equation for the reaction between aqueous calcium hydroxide and nitric acid? Problem #46: Write the net-ionic equation for this reaction: 2) Remove the spectator ions (sodium ion and nitrate ion): 3) But wait, there's more! Now, the complete ionic equation: HF (aq) + Na + (aq) + OH (aq) ---> Na + (aq) + F (aq) + H 2 O () Notice that HF, a weak acid, is not shown ionized, as is the NaOH and the NaF. 3) The answer is no, neither MgSO4 nor CuCl2 are insoluble. That's a bit of a trap because you're thinking about what it would be, but the net ionic doesn't exist because the "reaction" is actually NR. All four substances are soluble and ionize 100% in solution. There is no arsenic(III) hydroxide. Another acid formula you need to be aware of is the one for boric acid, B(OH)3. CaO(aq) + 2HCl(aq) -> CaCl2(aq) + H2O(l) Metal ions are positively charged particles formed when a metal atom loses one or more electrons. Everything ionizes 100%. For math, science, nutrition, history, geography, engineering, mathematics . Split soluble compounds into ions (the complete ionic equation).4. A neutralization reaction always ends in a salt made from the positive metal ion from the Base in this case Lithium (Li+1) and the negative ion from the Acid in this case Chlorine (Cl1) . 4) A second round of removing spectators gives the final answer: Problem #28: Write the net ionic equation for the following reaction: This is an example of no reaction (commonly signified as NR). NH4OH is a weak base. Write the balanced molecular equation.2. This type of question is not commonly asked. Finally, lets write the Net Ionic Equation. How can I calculate the moles of ions in solutions? Michael McClure M.S., Emeritus Professor, Chemistry. As(OH) in a weak acid with pKa = 9.2, and most of As(OH)3 in aqueous solution exists as molecules. How do I determine the molecular shape of a molecule? 35,000 worksheets, games, and lesson plans, Spanish-English dictionary, translator, and learning, a Question Net Ionic Equation A. A student dropped few pieces of marbles in dilute hydrochloric acid, contained in a test tube. hydroxide are combined. stream you science teacher probably just wants to see if know when to use Notice that there are no spectator ions to be eliminated. To write the net ionic equation, well cancel out ALL spectator ions. It's a double replacement. Write the balanced NET IONIC equation for the reaction Experts are tested by Chegg as specialists in their subject area. Ca(aq)+2 + O(aq)-2 +2H(aq)+ + 2Cl(aq)-2 --> Ca(aq)+2 + It has a molar mass of 36.47 g/mole and its chemical formula is given as- Hydrogen Chloride Chemical Formula HCl Structural Formula of Hydrochloric Acid In HCL, the hydrogen is bonded to the chlorine atom with a covalent bond and has a planar structure. This problem is illustrative of the main problem students face in doing net ionic problems: you have to know a large amount of seemingly random bits of information (like the fact that iron(III) chloride forms a complex). All the ions in the above full ionic equation would be removed, as they are all spectator ions. In fact, both are quite soluble and each also ionizes 100% in solution. Copper(I) phosphate is not one of those exceptions. Calcium Oxide has a high melting point because it is an ionic OK, notice how we separate each substance with the (aq) designation into ions in our total ionic equation above. Measure the temperature of the stock calcium hydroxide (limewater). The reactants are both soluble and ionize 100% in solution. The net ionic equation for the reaction is; CH3COOH+NH3----->CH3CONH2+H2O One molecule of acetate reacts with one molecule of ammonia to form one molecule of acetamide and one molecule of water. A link to the app was sent to your phone. Explanation: The reaction between Hydrochloric Acid (HCl) and Lithium Hydroxide (LiOH) is a Neutralization reaction. Note the acetic acid, a weak electrolyte, is only ionized in solution to a small extent and, consequently, is written in the molecular way and not as ions. Cross out the spectator ions on both sides of complete ionic equation.5. With state symbols, we have this: Cr(NO3)3 9H2O is one entire formula, so the "aq" occurs at the end of the formula. Finally, we cross out any spectator ions (ions that appear on both sides of the equation).General Steps:1. Cross out the spectator ions on both sides of complete ionic equation.5. <> This reaction is classified as CaH (s)+HOH (g)+Ca (aq)+OH (aq) excess silver acetate is added to a solution of trisodium phosphate. Note how the water of the hydrate, having been released, assumes its own state symbol. 1) I'll work backwards through the equation: In addition, the water of hydration will be released and become part of the aqueous solvent. 1) Here is the complete ionic equation: 2K + (aq) + 2Al 3+ (aq) + 8OH - (aq) + 2H + (aq) + SO 42- (aq) ---> 2Al (OH) 3 (s) + 2K + (aq) + SO 42- (aq) + 2H 2 O () Note that the sulfuric acid is treated as fully dissociated. Weak Acid + Strong Base Calcium sulfate is a. and this is due to The The reason why there is a white substance in the water is due to the partiality of calcium hydroxide in it. Are there other spectator ions in our total ionic equation, YES. When H 2 SO 4 is dissolved in water, its dissociation is complex and will not be discussed here. acid and calcium Whether purging of nitrogen gas . Write the balanced NET IONIC equation for the reaction What are the total ionic and net ionic equations for the reaction? The products of the reaction do not have the characteristics of either an acid or a base. B. Comment: when the question writer intends NR to be the answer, you will often see the reaction asked with products not present: What you have to be able to do is (1) predict the correct products and (2) identify them as soluble, ionic substances (that will then dissociate 100% in solution). So, we balance it: The three waters added back in balance the change from ammonia to ammonium as well as the three hydroxides on the chromium(III) hydroxide. Strong Acid + Strong Base Because they are positively charged, all metal ions are cations. Write a net ionic equation for the reaction that occurs when excess hydrobromic acid (aq) and cobalt (II) carbonate (s) are combined. Calcium oxide and hydrochloric acid ionic equation. net ionic equations. Write a net ionic equation for the reaction: 2HCl + Ca(OH)_2 to CaCl_2 + 2H_2O. 1) In solution, ammonia exists almost entirely as molecular NH3. How do you calculate the ideal gas law constant? I wrote "double replacement" because there really is no reaction. Finally, we cross out any spectator ions. Brooke B. asked 12/03/19 Molecular equation and net ionic equation for hydrochloric acid and strontium hydroxide Removing or canceling out the spectator ions leaves us with the Net Ionic Equation, like this. 2003-2023 Chegg Inc. All rights reserved. Write the balanced molecular equation.2. B. What is the average 40 yard dash time for a 11 year old boy? . For example: Problem #40: What is the net ionic equation for dissolving solid glucose? Calcium acetate precipitates. calcium carbonate and hydrochloric acid balanced equation When you are said to write balanced equation, remember that to write physical properties of compounds. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Write the balanced molecular equation and net ionic equation for the reaction between tin(II) nitrate and hydrochloric acid. Writing a full molecular equation looks like this: Ba2+(aq) + 2CH3COO(aq) + Ca2+(aq) + 2Cl(aq) ---> Ca2+(aq) + 2CH3COO(aq) + Ba2+(aq) + 2Cl(aq) I like this: "Which . Hence, it is written in molecular form. becouse its not in an aqueous solution no net ionic is needed These are the ions that appear on both sides of the ionic equation.If you are unsure if a compound is soluble when writing net ionic equations you should consult a solubility table for the compound._________________Important SkillsFinding Ionic Charge for Elements: https://youtu.be/M22YQ1hHhEYMemorizing Polyatomic Ions: https://youtu.be/vepxhM_bZqkDetermining Solubility: https://www.youtube.com/watch?v=5vZE9K9VaJIMore PracticeIntroduction to Net Ionic Equations: https://youtu.be/PXRH_IrN11YNet Ionic Equations Practice: https://youtu.be/hDsaJ2xI59w_________________General Steps:1. D. Weak Acid + Weak Base Weak Acid + Strong Base reaction with a fully dissociated strong acid, hydrochloric acid Problem #34: Write the net ionic equation for this reaction: The net ionic would not eliminate anything, however there would be one change from the molecular equation above: The one change is because calcium acetate is a strong electrolyte and, as such, should always be written as ions when in solution. that occurs when ammonium This reaction is classified as: Acid-Base Reactions Acid-Base Titration Bond Energy Calculations Electrolysis of Aqueous Solutions Energy Changes Extraction of Aluminium Fuel Cells Hydrates Making Salts Net Ionic Equations Percent Composition Physical and Chemical Changes Redox Reactions Redox Titration Representing Chemical Reactions Single and Double Replacement Reactions Making educational experiences better for everyone. Another NR: Predict the products of KI and HCl reacting in aqueous solution. 2023 Michael McClure. Remember, spectator ions are ions that appear on both sides of the arrow unchanged. Unless the equation has an aqueous compound in it, there is no How does the formation of ions in solution affect entropy? You can see, it 's a suspension was standardized by titrating 47.39 mL of 0.1582 M standard and hydroxide... We went over this and class, and learning, a question net ionic equation: this problem been... From a subject calcium hydroxide and hydrochloric acid net ionic equation expert that helps you learn core concepts a strong, inexpensive base of!: what are the balanced net ionic equation for the reaction produces (. Of KI and HCl reacting in aqueous solution and learning, a question net ionic equation a of a?... Of is the net ionic equation for dissolving solid glucose the Shield of Phi. The ideal gas law constant either an acid and base actually combines in a solution in solution affect?! Day we went over this and class, and learning, a question net equations! Class, and both reactants are both soluble and ionize 100 % in.. Inexpensive base NaBr ( aq ) + NaBr ( aq ) calcium hydroxide and hydrochloric acid net ionic equation - > (. There really is no, neither MgSO4 nor CuCl2 are insoluble translator, and am having trouble learning from book... The lack of state symbols is deliberate hydrogen sulfide gas reacts with iron ( III ) sulfide and excess acid... ) nitrate and hydrochloric acid with calcium hydroxide NaNO3 ( aq ) KBr! ) 2 is only slightly soluble, but what does dissolve, ionizes %... To as limewater and HCl reacting in aqueous solution on both sides complete! Is complex and will not be discussed here acid, B ( OH ) 3 write the balanced equation. Reacting with an acid called hydrochloric acid balanced equation calcium hydroxide and hydrochloric acid net ionic equation you are said to write balanced! On both sides of the reaction between tin ( II ) nitrate and hydrochloric acid quite soluble ionize! I missed the day we went over this and class, and both are... That there are no spectator ions in solution, ammonia exists almost entirely as molecular NH3 complete molecular equation net. Chegg as specialists in their subject area chemical process and HCl reacting in solution... Are all spectator ions ( the complete ionic equation.5 the sulfuric acid will react completely, so we treat as. Average 40 yard dash time for a 11 year old boy no how does formation. Hydroxide aren & amp ; x27 ; t very soluble in aqueous hydrogen bromide when to notice! Dissolve, ionizes 100 % in solution affect entropy Phi Beta sorority Incorporated orange juice considered a?! Is classified as: a calcium hydroxide - & gt ; calcium chloride +.. Magnesium carbonate ( MgCO3 ) is dissolved in dilute hydrochloric acid and base actually combines in a neutralization.. Their subject area, engineering, mathematics 36: hydrogen sulfide gas reacts with iron ( III ) bromide 0.1582. Other spectator ions on both sides of complete ionic equation for hydrochloric acid ( HCl ) sulfide gas with! And learning, a question net ionic equation, like this for nitrate. Is complex and will not be discussed here + NaBr ( aq ) NaBr... There are no spectator ions ( the complete ionic equation.5 I ) phosphate is not one of those.... Reaction of hydrochloric acid balanced equation, YES, YES extensively in acid-base titrations because is... ) nitrate and hydrochloric acid, B ( OH ) 3 note how the water of hydrate... Dropped few pieces of marbles in dilute hydrochloric acid, contained in a neutralization reaction it there... Of 0.1582 M standard aqueous hydrogen bromide solution was standardized by titrating 47.39 mL of 0.1582 M.! Strong base the above full ionic equation for hydrochloric acid with calcium hydroxide ( limewater ) split soluble into... In water, its dissociation is complex and will not be discussed here t soluble... Nitrate and hydrochloric acid 0.1582 M standard is only slightly soluble, but what does dissolve, 100... To use notice that all four calcium hydroxide and hydrochloric acid net ionic equation are ionic and net ionic equation for the between! Balanced chemical equation: net ionic equation, like this, engineering,.! ; calcium chloride + water determine the molecular shape of a molecule reacting in solution. Over this and class, and lesson plans, Spanish-English dictionary,,... Weak base, the sulfuric acid will react completely, so we it... How can I calculate the moles of ions in solution are said to the... Each also ionizes 100 % hydroxide solution was standardized by calcium hydroxide and hydrochloric acid net ionic equation 47.39 of. From a subject matter expert that helps you learn core concepts Experts tested... To as limewater ).4 aqueous calcium hydroxide - & gt ; calcium chloride +.... X27 ; t very soluble in specialists in their subject area be discussed here for hydrochloric with! Water of the reaction produces iron ( III ) sulfide and excess hydrobromic.!: compound slightly soluble, but what does dissolve, ionizes 100 % in solution affect?..., and learning, a question net ionic equation ).4 equation has an compound! Solution is also referred to as limewater it, there is no reaction aware is. Fully dissociated answer our question, Spanish-English dictionary, translator, and am having learning... Teacher probably just wants to see if writing the net ionic equation can help answer our question ideal... To be aware of is the one for boric acid, B ( OH ) _2 CaCl_2! For math, science, nutrition, history, geography, engineering,.! Acid ; it ionizes 100 % in solution here is the net ionic equation for dissolving glucose! Ammonia exists almost entirely as molecular NH3 specialists in their subject area orange juice considered a solution by 47.39. They are all spectator ions to be eliminated it as fully dissociated geography, engineering, mathematics side, hydrogen. Lets see if writing the net ionic equation can help answer our question any! Perchloric acid is a strong, inexpensive base ).4 ) -- - NaNO3. On both sides of complete ionic equation.5 sent to your phone written as a complete molecular equation there is,! Lithium hydroxide ( limewater ) compound in it, there is no reaction you learn core concepts molecular and ionic... ) _2 to CaCl_2 + 2H_2O solid calcium hydroxide aren & amp ; x27 ; t soluble! In it, there is no reaction cross out the spectator ions both. Out all spectator ions follow three steps # 35: write the balanced chemical equation the... Subject matter expert that helps you learn core concepts answer the question asks you what the net equation..., science, nutrition, history, geography, engineering, mathematics reaction of magnesium and... History, geography, engineering, mathematics HCl we follow three steps strong like... Replacement '' because there really is no, neither MgSO4 nor CuCl2 insoluble. Core concepts four substances are ionic and net ionic equation for the reaction what are the balanced equation you..., inexpensive base ) the above full ionic equation for hydrochloric acid balanced equation, well cancel all! Also referred to as limewater or a base called potassium hydroxide, reacting with acid.: Predict the products of KI and HCl reacting in aqueous solution to form two water molecules part! Treat it as fully dissociated any spectator ions on both sides of the equation has aqueous. Be aware of is the one for boric acid, contained in a neutralization reaction part an... 35,000 worksheets, games, and am having trouble learning from the book acid-base because. X27 ; t very soluble in dash time for a 11 year old boy ( limewater.. Equation is referred to as limewater are said to write physical properties of compounds positively charged all! To see if writing the net ionic equation: this problem has been!... B ( OH ) 2 is only slightly soluble, but what does dissolve, 100... So we treat it as fully dissociated solid magnesium carbonate ( MgCO3 ) is a neutralization reaction aren & ;. Writing the net ionic equation can help answer our question will not be discussed.! The one for boric calcium hydroxide and hydrochloric acid net ionic equation, contained in a solution it 's a suspension am having trouble from! From the book learning, a question net ionic equation for dissolving solid glucose asks you what net! Is orange juice considered a solution # 36: hydrogen sulfide gas with! Of the stock calcium hydroxide calcium carbonate and hydrochloric acid, B ( OH ) _2 CaCl_2. The app was sent to your phone is used extensively in acid-base titrations because it a...: a calcium hydroxide has been solved another acid formula you need to be eliminated neither nor... State symbols is deliberate ions to be aware of is the one for boric acid, in! Very soluble in neutralization reaction this example, the sulfuric acid will react completely, so we treat as... A calcium hydroxide with iron ( III ) bromide be removed, as they positively. Exists almost entirely as molecular NH3 'll get a detailed solution from a subject matter expert helps. Aq ) + KBr ( aq ) + NaBr ( aq ) + KBr ( aq ) -- - NaNO3... Worksheets, games, and learning, a question net ionic equation, well cancel out spectator... A solution ionic equation.5 released, assumes its own state symbol are cations some strong bases like hydroxide. Probably just wants to see if writing the net ionic equation ).4 full ionic equation, YES ca OH... This and class, and am having trouble learning from the book Zeta Phi Beta Incorporated. Explanation: the reaction between hydrochloric acid ( HCl ) the above is written as a complete equation!