CaCO3(s) + 2HCl --> CaCl2(aq) + CO2(g) + H2O. How To Balance Equations In many cases a complete equation … Problem: CaCO3 (s) + HCl (aq) → CaCl2 (aq) + CO2 (g) + H2O (l)Consider the unbalanced equation above. Answer to: Identify the equation as a molecular equation, a complete ionic equation, or a net ionic equation. The ionic equation requires you to break these compounds into their ions if they exist in solution: - note: calcium carbonate is insoluble whilst sodium chloride is not 2Na^+ + CO3^2- + Ca^2+ + 2Cl^- ---> CaCO3(s) + 2Na^+ + 2Cl- HNO3(aq) + CaCO3(s) ----> Ca(NO3)2(aq) + H2O(l) + CO2(g)Just Balance (c) - (e)(c). Calcium carbonate dissolves into Ca(2+) and carbonate (CO3)(2-) ions. Ok this is the net ionic equation for this reaction: Hydrochloric acid and calcium carbonate: 2H+CaCO3 ---Ca+ CO2+ H20 Don't forget to put the charges to the elements and compounds. CaCO3 (s) + 2 HCl (aq) --> CaCl2 (aq) + H2CO3 (aq) H2CO3, carbonic acid, is a weak acid and unstable in solution at high concentrations. Lv 6. Write a balanced equation for the production of HCl gas from its elements. Ionic charges are not yet supported and will be ignored. Start off by making the Ca equal on both sides, which is fortunately already done. For instance equation C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced, but PhC2H5 + O2 = PhOH + CO2 + H2O will; Compound states [like (s) (aq) or (g)] are not required. 6 years ago. CaCO3(s) + HCl(aq) --> CaCl2(aq) + CO2(g) + H2O. What is the concentration of the original hydrochloric acid solution if 91.5 mL of HCl reacts with 3.72 g of calcium carbonate? Replace immutable groups in compounds to avoid ambiguity. 1 Answer. Please include phases. Then make the Cl equal on both sides by putting a 2 in front of HCL. For example, C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced, but XC2H5 + O2 = XOH + CO2 + H2O will. Compound states [like (s) (aq) or (g)] are not required. Ionic charges are not yet supported and will be ignored. Start off with the original equation. You can use parenthesis or brackets []. Zn(s) + HCl(aq) ----> H2(g) + ZnCl2(aq)(b). Question: (a). Replace immutable groups in compounds to avoid ambiguity. CaCO3(s) + 2HCl(aq) --> CaCl2(aq) + CO2(g) + H2O(l) CaCO3(s) + 2H+ --> Ca2+ + CO2(g) + H2O (l) (net ionic);) Relevance. H2(g) + Cl2(g) --> 2HCl(g) Write a sentence that completely describes the chemical reaction represented by this balanced equation. James. If you do not know what products are enter reagents only and click 'Balance'. Write a net ionic equation for the reaction of CaCO3(s) with a strong acid. For example, C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced, but XC2H5 + O2 = XOH + CO2 + H2O will. Hydrochloric acid dissolves into H(+) and Cl(-). Answer Save. In simple word, a chemical reaction is represented by the ionic reaction equation, if the ions of each element are participating in the reaction and produces the product.