Interpretation:
Amount of waterin 100 mL aqueoussolution of H2SO4 has to be calculated.
Concept introduction:
Mole fraction: Mole fraction defined as the number of moles of one component divided by total the number of moles in the mixture. Mole fraction is denoted as ‘
Mole fraction

Answer to Problem 30PP
The mass of water is 27.54 g present in 100 mL aqueoussolution of H2SO4.
Explanation of Solution
Mole fraction
(Data given: mole fractions of H2SO4 = 0.325)
Since, the volume of solution is 100 mL, since, the mass of solution is approximately 100g.
From the 1st equation:
Assume that n(H2SO4) is a, and n(H2O) is b.
From 2nd equation:
If this to 1st equation, thus,
The mass of water in this solution:
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