Respuesta :

Explanation:

CaCO3 = CaO + CO2

1mol. 1 mol

100. 56

1 ×100. 1 × 56

100. 56

100g of CaCO3 produces 56g of CaO

25.2g of CaCO3 produces x

x = 25.2 ×56

100

x =14.112g of CaO