Q.
Which of the following method of expressing concentration is independent of temperature and have no units?
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a
Molality
b
Mole fraction
c
Molarity
d
Normality
answer is B.
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Detailed Solution
Mole fraction is the ratio mole fractions of the components and hence has no unit. Mole fraction is temperature independent because it does not contain 'volume' term which is temperature dependent.
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