JEE Chemistry ยท Easy

Mole Concept and Stoichiometry: Molality MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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MolalityEasyQuestion 600027

Question

Molality is defined as:
  1. A
    moles of solute per litre of solution
  2. B
    moles of solute per kg of solvent
    Correct
  3. C
    moles of solute per mole of solution
  4. D
    grams of solute per kg of solution

Correct answer

moles of solute per kg of solvent

Explanation

Molality m = nsolute/Wsolvent(kg). Unlike molarity, it is independent of temperature.