Question

Determine the volume in liters occupied by 14.0 g of nitrogen gas at STP

Answer 1

Answer:

Volume occupied by 14g of N₂ gas at STP = 11.2 litres

Explanation:

$\blacksquare$ We know that,

$\diamond$ Number of moles = $\dfrac{Given \ mass}{Molar \ mass}$

$\diamond$ Number of moles = $\dfrac{Volume(in \ litres)}{22.4}$

$\blacksquare$ Therefore,

$\dfrac{Given \ mass}{Molar \ mass}$  =  $\dfrac{Volume(in \ litres)}{22.4}$

$\blacksquare$ Given,

$\diamond$ Given mass = 14g

$\diamond$ Molar mass = 14 + 14

                   = 28g

$\blacksquare$ Substituting these values in we get,

$\dfrac{14}{28} =\dfrac{Volume}{22.4}$

$Volume = \dfrac{1}{2} * 22.4=11.2 \ litre$