# 7g of nitrogen occupies a volume of 5 litres under certain conditions. under the same conditions one mole of a gas, having molecular weight 56, occupies a volume of? (ans : 20L)

_{2}= $\frac{7}{28}=0.25moles$

2. 0.25 moles occupy 5L of volume.

1 mole of gas occupies $\frac{5}{0.25}=20L$

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