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A certain current liberates 0.5g of hydrogen in 2hrs. How many grams of copper can be deposited by the same current flowing for the same time in a copper sulphate solution? (1)12.7g (2)15.9g (3)31.8g (4)63.5g |
| Answer» A certain current liberates 0.5g of hydrogen in 2hrs. How many grams of copper can be deposited by the same current flowing for the same time in a copper sulphate solution? (1)12.7g (2)15.9g (3)31.8g (4)63.5g | |