Question

Volume of 8g of so3 gas at NTP is

Answer 1

moles=weight /mol.weight = vol of so3/22.4litres

8/80=vol/22.4

22.4/10=vol

vol=2.24litres

I hope this helps

Answer 2

atomic mass of sulpher = 32 u

atomic mass of oxygen = 16 u

mass of so3 = 80 u

mass at stp of 8 gm of so3 = 22.4*8/80 liters

ans 2.24 liters