CaCO3 (s) + 2HCl (aq) → CaCl2 (aq) + CO2 (g) + H20 (1) In the chemical reaction above, what states are CaCO3 and
H2O in, respectively?
a) Aqueous, Solid
b) Gas, Liquid
c) Gas, Aqueous
d) Solid, Liquid
e) Solid, Aqueous

solid and liquid state respectively

every chemical equation adheres to the law of conservation of mass, which states that matter cannot be created or destroyed. therefore, there must be the same number of atoms of each element on each side of a chemical equation.

catya your not at all which answer i've seen you do this on another question!