Question

if 20g of caco3 is treated with 20g of hcl how many gram of co2 will be produced

Answer 1

CaCO3 ----> CaO+CO2
100 g CaCO3 produces 44 grams CO2
20 g CaCO3 ---- 44*20/100 = 8.8 grams CO2

Ans : 8.8 grams CO2