Question

What is the coefficient for calcium oxide? CaO(s) + CO2(g) → CaCO3(s)

Answer 1

The coefficient is 1

Step-by-step explanation:

CaO(s) + CO2(g) -> CaCO3(s)

In the balanced equation, the coefficient for CaO is 1

The coefficient represents the number of moles of a compound in the stoichiometry of the reaction