Question

If 12g of c react with 64g of o2.colculate the mass of co2.

Answer 1

C+O2=>CO2
Molecular mass of O2=>2(16)=32
Molecular mass of CO2=>44

32 g of O2=>44g of CO2
1g of O2=>44/32g of CO2
64g of O2=>64×(44/32)g of CO2=88g of CO2

So 12g of C reacts with 64g of O2 to give 88g of CO2