When same quantity of electricity is passed through aqueous $AgNO_3$ and $H_2SO_4$ solutions connected in series, $5.04 \times 10^{-2}\;g$ of $H_2$ is liberated. What is the mass of silver (in grams) deposited ? ( Eq wts ofHydrogen -1.008, silver =108)

Question

$$\begin {array} {1 1} (1)\;54 & \quad (2)\;0.54 \\ (3)\;5.4 & \quad (4)\;10.8 \end {array}$$