What is the volume in $litres$ of the gas produced at $NTP$ by the reaction of $100 \ g$ of $CaC_2$ with water?
$CaC_2 + 2H_2O \rightarrow Ca(OH)_2 + C_2H_2$
$CaC_2 + 2H_2O \rightarrow Ca(OH)_2 + C_2H_2$
- A$70$
- B$35$
- C$17.5$
- D$22.4$
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