In the following reaction, 28 grams of Calcium Oxide CaO reacts with Carbon Dioxide CO2 to produce Calcium Carbonate CaCO3. How much Calcium Carbonate is produced?

CaO+CO2 ---> CaCO3

1 answer

CaO + CO2 --> CaCO3

atomic masses
Ca = 40
O = 16
C = 12
so
CaO is 40 + 16 = 56 grams/mol
28/56 = .5 mol

so we get .5 mol of CaCO3
CaCO3 = 40 + 12 + 48 = 100 grams/mol

so we get 50 grams of CaCO3