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Question 600081
JEE Chemistry · Medium

Mole Concept and Stoichiometry: Mole Fraction MCQ

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Mole FractionMediumQuestion 600081

Question

The sum of mole fractions of all components in a solution is always:
  1. A
    0
  2. B
    1
    Correct
  3. C
    equal to molarity
  4. D
    equal to the number of components

Correct answer

1

Explanation

By definition, Σχᵢ = 1. Mole fractions are dimensionless and sum to unity regardless of the number of components.

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