what is the Mr of CO2?

Use this to calculate the mass of co2 produced when 1kg of CaCO3 is heated....
(what are the answers?)

MT!!!

2 answers

Mr????? Do you mean the molecular mass? I assume so. it is 44amu, or 44 grams/mole

CaCO3 >>>> CaO + CO2

moles CaCO3= 1000g/(100g/mol=10moles
so according to the balanced equation, you should get 10 moles CO2, or 440 grams.
TVM!!