Question

The number of moles of $H_2$ in $0.224L$ of hydrogen gas at STP ($273K,1atm$) assuming ideal gas behaviour is:

• A. $1$
• B. $0.1$
• C. $0.01$
• D. $0.001$

Answer 1

The correct option is C $0.01$

Number of moles $=\frac{\text{given volume}}{22.4}=\frac{0.224}{224}=0.01$