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  • A certain current liberated 0.80g of hydrogen in 2h. How many grams of copper can be liberated by the same current flowing for the same time in a copper sulphate solution.<div class='qna-o

A certain current liberated 0.80g of hydrogen in 2h. How many grams of copper can be liberated by the same current flowing for the same time in a copper sulphate solution.

Option: 1

30.8


Option: 2

25.4


Option: 3

21.2


Option: 4

10.8


Answers (1)

best_answer

\mathrm{n_{e q} H_2=n_{eq}{ Cu }}

\mathrm{ \frac{0.8}{1} =\frac{\omega}{63.5} \times 2 \\ }

\mathrm{ 0.8 \times 63.5 =2 \omega \\ }

\mathrm{ \omega =\frac{0.8 \times 63.5}{2} \\ }

\mathrm{ \omega =25.4 }

 

Posted by

avinash.dongre

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