Question:
a solution is prepared by dissolving5 .64 of glucose in 60g of water calculate the mole fraction of water
Answer:
Number of mole in glucose solution = 5.64/180 = 0.03 moles
Number of moles of water = 60/18.02 = 3.33 moles
Water = 60 g = 60 ml = 0.06 litres
Therefore, mole fraction = moles of solute/ total number of moles in the solution
= 0.03 / (0.03 + 3.33 )
= 0.009
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