Question

How many moles present in 23.3 Kg Ar ?  

Answer 1

Solution:

The molar mass of argon (Ar) is 40 g/mol

Therefore,

Moles of Ar = (23.3 kg Ar) × (1000 g / 1 kg) × (1 mol Ar / 40 g Ar) = 582.5 mol Ar

Answer: 582.5 moles of argon (Ar)