Question:
Which of the following factors affect molarity of solution?
Which of the following factors affect molarity of solution?
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Molarity is temperature-dependent, whereas molality is temperature-independent.
Updated On: Jan 30, 2026
- Nature of solute dissolved
- Temperature
- Mass of solvent
- Molar mass of solvent
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The Correct Option is B
Solution and Explanation
Step 1: Definition of molarity.
Molarity is defined as the number of moles of solute per litre of solution.
Step 2: Effect of temperature.
Volume of solution changes with temperature due to thermal expansion or contraction, which directly affects molarity.
Step 3: Analyse other options.
Nature of solute: Does not affect molarity directly.
Mass of solvent: Relevant for molality, not molarity.
Molar mass of solvent: Has no effect on molarity.
Step 4: Conclusion.
Temperature is the factor that affects molarity of a solution.
Molarity is defined as the number of moles of solute per litre of solution.
Step 2: Effect of temperature.
Volume of solution changes with temperature due to thermal expansion or contraction, which directly affects molarity.
Step 3: Analyse other options.
Nature of solute: Does not affect molarity directly.
Mass of solvent: Relevant for molality, not molarity.
Molar mass of solvent: Has no effect on molarity.
Step 4: Conclusion.
Temperature is the factor that affects molarity of a solution.
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