Question

100 g of calcium carbonate on treatment with 73g of hydrochloric acid, produces carbon dioxide. What is the volume of carbon dioxide gas produced when the reaction is taking place at STP?

• A. $22.4l$
• B. $11.2l$
• C. $44.8l$
• D. $5.6l$

Answer 1

The correct option is A

$22.4l$

100 g of calcium carbonate = 1 mole of $CaC{O}_3$

73 g of hydrochloric acid = 2 moles of $HCl$

$CaC{O}_3+2HCl\to CaC{l}_2+H_{2}O+C{O}_2$

Here, 1 mole of $C{O}_2$ is produced as a resultant of the above reaction.

At standard temperature and pressure, the volume of solution is always 22.4 litres.