Which of the following units is useful in relating concentration of solution with its vapour pressure? (a) Mole fraction (b) Parts per million (c) Mass percentage (d) Molality.

Which of the following units is useful in relating concentration of solution with its vapour pressure?

(a) Mole fraction

(b) Parts per million

(c) Mass percentage

(d) Molality

Expert Solution

Answer : (a) Mole fraction

Explanation : Mole fraction is useful in co-relating vapour pressure with concentration of solution.

According to Raoult's law, the partial vapour pressure of each component in the solution is directly proportional to its mole fraction.

Total vapour pressure = Mole fraction × partial vapour pressure

P = x1P1 + x2P2 + ....... so on

(a) Mole fraction

Rakesh answered 1 year ago

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Question

Which of the following units is useful in relating concentration of solution with its vapour pressure? (a) Mole fraction (b) Parts per million (c) Mass percentage (d) Molality.

Solutions

Expert Solution

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Question

Which of the following units is useful in relating concentration of solution with its vapour pressure? (a) Mole fraction (b) Parts per million (c) Mass percentage (d) Molality.

Solutions

Expert Solution

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