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An electric current of 0.5 ampere was pa...

An electric current of 0.5 ampere was passed through acidulated water for 1 hour .Calculate the volume of hydrogen at STP .(1 coulmb of electricity deposits 0.0000 1 g of hydrogen )

Text Solution

Verified by Experts

`W=ZxxIxxt`
`=0.00001gxx0.5"ampere"xx3600` second
`=0.018`g
2 g of hydrogen at STP occupies `22,400cm^(3)`
0.018 g of hydrogen at STP occuupies
`=(22,400xx0.018)/(2)=201.6cm^(3)`
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