What is the volutme of `CO_(2)` liberted in litres at 1 atmosphere and `0^(@)C` when 10% of 100 pure calcium carbonate is treated with excess dilute sulphuric acid? (at mass of Ca=40, C=12, O=16)

Options

A. 0.224
B. 2.24
C. 22.4
D. 224

Answer

B

Explanation

`underset(100n g)underset(1 mol)(CaCO_(3)) + H_(2)SO_(4) to CaSO_(4) + H_(2)O + underset(22.4 L)underset(1 mol)(CO_(2))`
100 g of `CaCO_(3)` liberate `CO_(2)=22.4` L
10 g of `CaCO_(3)` will liberate `CO_(2) =22.4/100 xx 10 = 2.24` L