Question

How much volume of CO2 is produced when 50 g of
CaCO3 is heated under standard Conditions?
Hint: CaCO3 As cao + CO2
2​

Answer 1

Answer:

Explanation:

CaCO3-------CO2+CaO

1mole of CaCO3 gives 1 mole of CO2

100gms of CaCO3 gives 1 mole of CO2

100 gms of CaCO3 gives 22.4 ml of CO2

50 gms of CaCO3 gives 11.2 ml of CO2

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Answer 2

Answer:

11.2 litres of CO2

Explanation:

50 g CaCO3 is equal to 0.5 moles of CaCO3, since molar mass of CaCO3 is 100.

clearly, 1 mole of CaCO3 gives off 1 mole of CO2 on heating.

Therefore, 0.5 mole of CO2 will be produced from 0.5 mole of CaCO3.

at STP, one mole of any gas occupies 22.4 litres.

Therefore, 0.5 mole of CO2 will occupy 11.2 litres at STP.