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An oxide of metal ("at. wt. "= 112) cont...

An oxide of metal `("at. wt. "= 112)` contain `12.5% O_(2)` by weight. The oxide was converted into chloride by treatment with `HCl` and electrolsed. Calculate the amount of metal that would be deposited at cathode if a current of `0.965` ampere was passed for a period of `5` hr. What is valency of metal ?

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The correct Answer is:
`10.08 g," " 2 ;`
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