Which of the following concentration units would change when the temperature of the solution changes? (Hint: remember that liquids expand and contract as the temperature changes.)
(I) molarity
(II) molality
(III) mole fraction of solute
(IV) mole fraction of solvent
A) I
B) I and II
C) I, II and III
D) all of the above
E) none of the above
Correct Answer:
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