Question

how many mole of neon are in 68.4 grams of neon?

Answer 1

Answer: 3.39 moles

Explanation:

$\text{no of moles}=\frac{\text{given mass}}{\text{Molecular mass}}$

given mass = 68.4 g

Molar mass of neon = 20.18 g/mol

$\text{no of moles of neon}=\frac{68.4g}{20.18g/mol}=3.39moles$