What volume of hydrogen gas at STP would be liberated by action of 50 mL of $$H_2SO_4$$ of 50% purity (density = 1.3 g mL$$^{-1}$$) on 20 g of zinc?

Given : Molar mass of H, O, S, Zn are 1, 16, 32, 65 g mol$$^{-1}$$ respectively.

A

5.824 L

B

7.428 L

C

6.892 L

D

8.375 L