14. Solutions
Mole Fraction
Multiple Choice
Multiple ChoiceIf mole fraction of urea is 4.55 x 10-1, what is the mass of urea needed to dissolve in 38.0 g of water? The molar mass of urea is 60.062 g/mol.
A
26.7 g
B
106 g
C
39.6 g
D
8.19 g
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