How to determine mole fraction of solvent when moles of solute and solvent are given? Options: A . &nbspMoles of soluteMoles of solvent B . &nbspMoles of soluteMoles of solution C . &nbspMoles of soluteMoles of solute+ Moles of solvent D . &nbspMoles of solventMoles of solute+Moles of solvent

How to determine mole fraction of solvent when moles of solute and solvent are g

Question

How to determine mole fraction of solvent when moles of solute and solvent are given?

Options:

A . Moles of soluteMoles of solvent

B . Moles of soluteMoles of solution

C . Moles of soluteMoles of solute+ Moles of solvent

D . Moles of solventMoles of solute+Moles of solvent

Answer: Option D
:
D
Mole fraction (X) is just the ratio of the number of moles of the required quantity to the sum of number of moles of all other quantities. We usually only have a solute and a solvent.

∴ X_{s o l v e n t} = \frac{M o l e s o f s o l v e n t}{Moles of solute + Moles of solvent}

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