" On passing "3A" of electricity for "50min,1.8g" metal deposits.The equivalent mass of metal is "

On passing 3 A of electricity for 50 min, 1.8 g of metal deposits. The equivalent mass of metal is

On passing 3 A of electricity for 50 min, 1.8 g of metal deposits. The equivalent mass of metal is

On passing 3 amperes of electricity for 50 minutes, 1.8 gm metal deposits. The equivalent mass of metal is

1.8 g of metal was deposited by a current 3 A for 50 minutes . The equivalent mass of metal is _________.