Question

Find the number of moles of atoms present in 28 g of N atoms. (Gram atomic mass of N = 14 g)

• A. 2 mol
• B. 4 mol
• C. 6 mol
• D. 3 mol

Answer 1

The correct option is A 2 mol

$\text{Number of moles}=\frac{\text{given mass}}{\text{gram atomic mass}}=\frac{28}{14}=2\text{mol}$