Question

The volume occupied by 4.2g of nitrogen at STP?

Answer 1

Moles= Given mass /Molecular mass

moles= 4.2/14

moles =42/140

moles=0.3

Moles =volume/22.4

volume=Moles×22.4

volume=0.3×22.4

volume occupied=67.2litres

Answer 2

Answer:

correct

Explanation:

67.2 litres

volume = moles × 22.4 lit

= 0.3 ×22.4

= 67.2 litres