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Laws of Definite Proportions, Multiple Proportions

Molality of 4...

Question

Molality of 40% (by mass of solution) urea solution is??

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Solution

40gm urea is present is 100gm solution

No of moles of urea = 2/3

Molality = (2/3×60)*1000

= 11.11 mol/Kg

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