1.

    A solution is prepared by dissolving 2.5g of a non-volatile solute in 100g of water. The vapor pressure of the solution is found to be 22.87 Torr at 25∘C25^\circ C. If the vapor pressure of pure water is 23.76 Torr at the same temperature, what is the molar mass of the solute (in g/mol)?

    A

    60

    B

    120

    C

    30

    D

    90

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Concentration Methods
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Solutions, Raoult's Law, Colligative Properties, Molar Mass

    Related Questions

    1.

    100 mL of 0.1 M solution of a reductant is diluted to 1 litre, which of the following changes?

    A

    Molarity

    B

    Millimole

    C

    Milliequivalent

    D

    None of these

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Concentration Methods
    🎓 Ncert Level:Application
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Molarity, Dilution, Moles, Equivalents

    2.

    100 mL of 0.1 M solution of a reductant is diluted to 1 litre, which of the following changes?

    A

    Molarity

    B

    Millimole

    C

    Milliequivalent

    D

    None of these

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Concentration Methods
    🎓 Ncert Level:Application
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Molarity, Dilution, Millimoles, Milliequivalents

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