Question

In an experiment during the analysis of a carbon compound, 145 l of H2 was collected at 760 mm Hg pressure and  27∘C temperature. The mass of H2 is nearly

A

10 g

B

12 g

C

24 g

D

g

Solution

The correct option is B 12 g PV=nRT,n=PVRT = 1×1450.082×3 = 5.8 ≈ 6 mole

Suggest corrections