Question

How many moles are there in 14 grams of nitrogen gas

Answer 1

We have,

Given mass, m = 14g

Molar mass of nitrogen gas, M = 28 g/mol

Now,

Number of moles = m / M = 14/28 mol

= 0.5 mol

Hence, there are 0.5 moles in 14 grams of nitrogen gas.