Question

How much volume of co2gas is car obtained at NTP by heating 200gm calcium carbonate?

Answer 1

CaCO3>>CaO + CO2

well, for each mole of limestone, one gets one mole of carbon dioxide.

Moles CaCO3 = 200g/molmass=200/100=2 moles.

volume at NTP=24.05 liters/mole *2mole
= 48.1 liters