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'x' grams of water is mixed in 69 grams of ethanol. Mole fraction of ethanol in the resultant solution is 0.6. What is the value of 'x' in grams?

54
36
180
18
Additional Questions

In an oxidation reduction reaction, MnO4 ion is converted to Mn2+. What is the number of equivalents of KMnO4 (mol. wt = 158) present in 250 ml of 0.04 M KMnO4 solution?

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The volume of two HCl solutions A(0.5 N) and B(0.1 N) to be mixed for preparing 2l of 0.2 N HCl solution

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X is dissolved in water. Maximum boiling point is observed when X is _______ (0.1 M each):

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The volume of 10 N and 4 N HCl required to make 1 litre of 7 N HCl are

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Which of the following set of variables give a straight line with a negative slope when plotted? (P = Vapour pressure; T = Temperature in K)

y–axisx–axis
(1)PT
(2)log10 P1/T
(3)log10 PT
(4)log10 Plog10 1/T

Answer

The empirical formula of a nonelectrolyte is CH2O. A solution containing 3 g of the compound exerts the same osmotic pressure as that of 0.05 M glucose solution. The molecular formula of the compound is

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40% by weight solution will contain how much mass of the solute in 1 L solution, density of the solution is 1.2 g/mL?

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During osmosis, flow of water through a semipermeable membrane is

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