Question

6 moles of a solute is present in100 moles of a solutionthen mole fractionis​

Answer 1

Answer:

ratio = No. of moles of solute / No. of moles of solution

=. 6/100

= 3 : 50

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Answer 2

Answer:

To calculate mole fraction of solute you first calculate the moles of the solute and then you divide that by the total number of moles of solute and solvent.

Explanation:

The mole fraction of solute is:

moles of solute divided by total moles of solute and solvent

The symbol for the mole fraction is the lower-case Greek letter chi, χ. You will often see it with a subscript: χsolute is an example.

Example #1: 0.100 mole of NaCl is dissolved into 100.0 grams of pure H2O. What is the mole fraction of NaCl?

Solution: We will calculate the number of moles of water ( solvent)

100.0 g / 18.0 g mol-1 = 5.56 mol of H2O

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