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8 g of NaOH is dissolved in 18g of H 2 O. Mole fraction of NaOH in solution and molality (in mol kg –1 ) of the solution respectively are -

1. 0.2, 11.11
2. 0.167, 22.20
3. 0.167, 11.11
4. 0.2, 22.20

Correct answer: 0.167, 11.11

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