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Concentration Terms

In a binary s...

Question

In a binary solution, mole fraction of solute is found to be 0.4. What could be the mole fraction of the solvent in the solution?

A

1

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B

0.4

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C

0.6

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D

0.3

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Solution

The correct option is C 0.6
Total mole fraction of solution = 1
Thus, for the binary solution; mole fraction of solute + mole fraction of solvent = 1
Therefore mole fraction of solvent = 1 - 0.4 = 0.6

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