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A solution contains 410.3 g of H2SO4 per...

A solution contains 410.3 g of `H_2SO_4` per litre of the solution at 20°C. If its density is `1.243 g cm^(-3)`, what will be its molality and molarity ?

Text Solution

Verified by Experts

`M = (W_(2) xx 1000)/(Mw_(2) xx V_(sol))`
`= (410.3 xx 1000)/(98 xx 1000) = 4.186`
`m = (W_(2) xx 1000)/(Mw_(2) xx (V xx d - W_(2)))`
`= (410.3 xx 1000)/(98 xx (1000 xx 1.243 - 410.3))`
`= (410.3 xx 1000)/(98 xx 832.7) = 5.027`
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