Question

Mole fraction of water in 20 of aqueous hydrogen peroxide solution is

Answer 1

This actually means that 20 grams of H2O2 present in 100 grams of solution

thus it means 80 of h2o is present

no. of moles of H2O are thus 80/18 I. E., 4.444

no. of moles of H2O2 are 20/34 I. E., 0.588

Thus molefraction of water is

4.44(4.44+0.588)=0.88

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Answer 2

Hey mate..

Your answer is....

This actually means that 20grams of h2o2 are present in 100 grams of solution.

Thus it means that 80 grams of h2o are present.

Number of moles of h2o are thus 80/18 I.e,. 4.444

Numbers of moles of h2o2 are 20/34 I.e,. 0.588

Thus mole fraction of water is 4.44/(4.44+0.588)=0.88

Hope it helps you..✌

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