Question

Find the mass of carbon dioxide that can be produced from 0.01 mols of calcium carbonate

Answer 1

CaCO3 ==> CaO + CO2

mols CaCO3 = 0.01 mol.
You get 1 mol CO2 for each mol CaCO3; therefore, you can produce a maximum of 0.01 mol CO2. How many grams is that?
g CO2 = mols CO2 x molar mass CO2.