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Question
Normal molecular mass = ______ × observed molecular mass.
Fill in the Blanks
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Solution
Normal molecular mass = van’t Hoff factor (i) × observed molecular mass.
Explanation:
This formula is used when there is association or dissociation of solute particles in solution, which affects colligative properties. The van’t Hoff factor (i) adjusts for the actual number of particles present.
Rearranged from the relation
i = `"Normal molecular mass"/"Observed molecular mass"`
∴ Normal molecular mass = i × Observed molecular mass
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