1.

The volume of water to be added to 100cm^(3) of 0.5 N H_(2)SO_(4) to get decinormal concentration, is

Answer»

100 `cm^(3)`
`450cm^(3)`
`500cm^(3)`
`400CM^(3)`

Solution :`N_(1)V_(1)=N_(2)V_(2)`
i.e.`0.5xx100=0.1xxV_(2)orV_(2)=500cm^(3)`
`therefore` WATER to be added to `100CM^(3)` solution `= 500-100=400cm^(3)`


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