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Mole Fraction

Class 12 Chemistry के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

ChemistryIf the mole fraction of the solute in a solution is 0.05 and the vapour pressure of the pure solvent is 100 mmHg, what is the approximate vapour pressure of the solution, assuming the solute is non-volatile?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryIf the relative lowering of vapour pressure of a solution is 0.02, what is the approximate mole fraction of the solute in a dilute solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIf the mole fraction of a non-volatile solute in an ideal dilute solution is 0.03, what is the relative lowering of vapour pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14EasyChemistryIf the amount of a non-volatile solute is increased in a solution, how will the vapour pressure of the solution change compared with that of the pure solvent?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14EasyChemistryA solution has a relative lowering of vapour pressure of 0.25. If the total number of moles in the solution is 4, how many moles of solute are present?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14MediumChemistryIf the relative lowering of vapour pressure is 0.10, what is the mole fraction of the solvent in an ideal solution containing a non-volatile solute?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14EasyChemistryIn an ideal dilute solution containing a non-volatile solute, which relation represents the relative lowering of vapour pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14MediumChemistryWhich change is most suitable for lowering the vapour pressure of a solution when the solute is non-volatile?Class 12Chapter 01: Solutions4: Vapour PressureLevel 13MediumChemistryIf the relative lowering of vapour pressure of a solution is 0.20 and the solute is non-volatile, what is the mole fraction of the solvent?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13MediumChemistryA solution has a solute mole fraction of 0.08. Assuming that the solute is non-volatile, what is the relative lowering of vapour pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13EasyChemistryA solution has a relative lowering of vapour pressure of 0.10. If it contains 0.90 mol of solvent, approximately how many moles of solute are present, assuming a very dilute solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14MediumChemistryWhich property depends only on the number of solute particles present in a solution and not on the chemical nature of the solute?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14EasyChemistryIn a dilute solution, the mole fraction of solute is 0.04. Assuming a non-volatile solute, what is the relative lowering of vapour pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 14EasyChemistryIf the mole fraction of solute in a solution is very small, how will the relative lowering of vapour pressure be?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryWhich statement is correct about the colligative property related to Raoult’s law?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15MediumChemistryA solution has relative lowering of vapour pressure equal to 0.02. Assuming an ideal dilute solution, what is the mole fraction of solute?Class 12Chapter 01: Solutions4: Vapour PressureLevel 15MediumChemistryWhen a non-volatile solute is added to a solution, relative lowering of vapour pressure mainly depends on what?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIf the mole fraction of solute is doubled and the solution remains dilute, what happens to the relative lowering of vapour pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13MediumChemistryFor a solution, Δp/p⁰ = 0.02. Assuming a very dilute solution with a non-volatile solute, what is the approximate mole fraction of the solute?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13MediumChemistryWhy does the vapour pressure of a solvent decrease when a non-volatile solute is added?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 13Medium