Question

Calculate the volume of 4 g of H2 at 4 atmosphere.

Answer 1

(Assuming the Temperature to be 273K)

As we know PV = nRT

Thus V = nRT/P

n = no of moles = 4/2 =2 (molar mass of H2=2)

Thus V = 2 x 0.082 x 273 / 4

= 11.193 Litres