Question

Which of the following equations best represents the species that react and the species that are produced when CaCO3(s) and HCl(aq) are combined? (A) 2 H*(aq) + CaCO3(s) → Cal(aq) + CO, (aq) + H2(g) (B) 2 H*(aq) + CaCO3(s) + Ca(aq) + H2O(l) + CO2(8) (C) 2 H(aq) + CaCO3(s) + Ca(aq) + 2OH(aq) + CO(g) (D) 2 HCl(aq) + CaCO3(s) → Ca²+ (aq) + H2O(1) + CO2(g) + 2 Chaq)

Answer 1

The equations that best represents the species that react and the species that are produced when CaCO3(s) and HCl(aq) are combined is 2H+ (aq) + CaCO3 (s) yields Ca2+ (aq) + H2O (l) + CO2 (g)

Option B is correct.

What is a chemical equation?

A chemical equation is described as the symbolic representation of a chemical reaction in the form of symbols and chemical formulas.

The chemical equation is very important as it tells us about the reacting species and resulting product.

The coefficient of the reacting species and resulting products gives us information about the mole ratio or molecular ratio of the elements or compounds in the reaction.

Learn more about chemical equations at:

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