Chemistry

Chemistry

Problem

The molecular equation for the reaction between calcium carbonate(s) and hydrochloric acid(aq) is CaCO3(s)+2HCl(aq)→CaCl2(aq)+CO2(g)+H2O(l)CaCO_3(s)+2HCl(aq)\rightarrow CaCl_2(aq)+CO_2(g)+H_2O(l) Which of the following is the correct net ionic equation for this reaction? a) CaCO3(s)+2HCl(aq)→Ca2+(aq)+2Cl−(aq)+CO2(g)+H2O(l)CaCO_3(s)+2HCl(aq)\rightarrow Ca^{2+}(aq)+2Cl^{-}(aq)+CO_2(g)+H_2O(l) b) CaCO3(s)+2H+(aq)→Ca2+(aq)+H2CO3(aq)CaCO_3(s)+2H^{+}(aq)\rightarrow Ca^{2+}(aq)+H_2CO_3(aq) c) CaCO3(s)+2H+(aq)→Ca2+(aq)+CO2(g)+H2O(l)CaCO_3(s)+2H^{+}(aq)\rightarrow Ca^{2+}(aq)+CO_2(g)+H_2O(l) d) Ca2+(aq)+CO32−(aq)+2H+(aq)→Ca2+(aq)+CO2(g)+H2O(l)Ca^{2+}(aq)+CO_3^{2-}(aq)+2H^{+}(aq)\rightarrow Ca^{2+}(aq)+CO_2(g)+H_2O(l)

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