A certain amount of current liberates 0.5 g of `H_(2)` in 2.0 h. How many gram(s) of oxygen can be liberated by the same current in the same time?

A certain current liberates 0.5 g of hydrogen in 2 hours. How many grams of copper can be liberated by the same current flowing for the same time in a copper sulphate solution?

A certain current liberates 0.5g of hydrogen in 2 hours. How many grams of copper can be liberated by the same current flowing for the same time in a copper sulphate solution ?

A certain current liberates 0.5g of hydrogen in 2 hours. How many grams of copper can be liberated by the same current flowing for the same time in a copper sulphate solution ?

A certain current liberated 0.504 g of hydrogen in 2 hours. How many gram of copper can be liberated by the same current flowing for the same time in CuSO_(4) solution ?