Question

Which statement best describes the equation CaCO3 + 2HCl → CaCl2 + CO2 + H2O?

CaCO3 is a reactant; it is present before the reaction occurs.
CaCl2 is a reactant; it is present before the reaction occurs.
CO2 is a reactant because it is most likely a gas.
H2O is a reactant because it is most likely a liquid.

Answer 1

Answer:

combinations reaction is shown

Answer 2

Answer:

CaCO3 is a reactant it is present before the reaction occur.