Answer
Calcium carbonate, CaCO3 , is a salt. In water, and under minimum carbon dioxide pressure, calcium carbonate dissociates into calcium ions and carbonate ions:
CaO3-->Ca+CO3. Acids donate H+ ions to the environment.
Sulfuric acid (H2S04) is definitely an acid because it dissociates into H+ ions (protons) and HSO4- ions ( conjugate base).This dissociation is almost complete, so sulfuric acid is a strong acid- for the dissociation of the first H+ ion. The HSO4- ion, the conjugate base of the acid, can itself behave as a weak acid : it dissociates incompletely to donate the remaining H+ ion(proton) .
Work Step by Step
CaCO3--->Ca+CO3
H2SO4-->H+HSO4
