A certaom cirrent liberates 0.504 g of hydrogen in 2 hr. How many gram – InterviewSolution

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1.	A certaom cirrent liberates 0.504 g of hydrogen in 2 hr. How many gram of copper can be liberated by the same current flowing for the same time in CuSO_4 solution:
Answer» `12.7` 16 `31.8` `63.5` ANSWER :B

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