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What volume of H(2) at STP is required t...

What volume of `H_(2)` at STP is required to reduce 0.795 g of CuO to give Cu and `H_(2)O`.

Text Solution

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Balance equation is
`CuO-:H_(2)to Cu+H_(2)O`
79.5 gms to 1 mole `H_(2)` at STP
`:.` 79.5 gms of CuO require 22.4 lit of . `H_(2)` at STP
Then 0.795 gms of CuO require _________?
`(0.795 xx 22.4)/(79.5)=0.224 " lit".`
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