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Q.

Calcium carbonate decomposes on heating to give calcium oxide and carbon dioxide. How much volume of CO2 will be obtained by thermal decomposition of 50 g of CaCO3?

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a

44 L

b

1 L

c

11.2 L

d

22.4 L

answer is B.

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Detailed Solution

CaCO3100 gCaO+CO222.4 L
100 g of CaCO3 at STP gives 22.4 L of CO2
50 g of CaCO3 will produce 22.4100×50=11.2 L of CO2

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