Relative lowering of vapour pressure of a solution is equal to:

the mole fraction of solvent

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the ratio of moles of solute to moles of solvent

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the mole fraction of solute

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the ratio of moles of solvent to moles of solute

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Solution

The correct option is C the mole fraction of solute
Relative lowering of vapour pressure of a solution is equal to the mole fraction of solute.After adding the solute, the vapour pressure of the solution is found to be lower than that of the pure liquid at a given temperature.

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Similar questions

Q. If

p_{A}^{o}

is the vapour of pure solvent and

p_{A}

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X_{B}

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X_{A}

is the mole fraction of the solvent. What is the expression for relative lowering of vapour pressure of the solution?

State True or False.

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Relative lowering of vapour pressure of a solution is equal to:

The correct option is C the mole fraction of soluteRelative lowering of vapour pressure of a solution is equal to the mole fraction of solute.After adding the solute, the vapour pressure of the solution is found to be lower than that of the pure liquid at a given temperature.

The correct option is C the mole fraction of solute
Relative lowering of vapour pressure of a solution is equal to the mole fraction of solute.After adding the solute, the vapour pressure of the solution is found to be lower than that of the pure liquid at a given temperature.