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97. 8g of NaOH is dissolved in 18 g of

H₂ O. Mole fraction of NaOH in solution and molality of the solutions respectively are :

a. 0.2, 11. 11

b. 0.167, 11. 11

c. 0.167, 22. 20

d. 0.2, 22.20

Ans. b

PrevPrevious96. 50mL of 0.5M oxallic acid is needed to neutralize 25mL of sodium hydroxide solution. The amount of NaOH in 50 mL of the given sodium hydroxide solution is:

Next98. The mole fraction of a solvent in aqueous solution of a solute is 0.8. The molality of the aqueous solutions isNext

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