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Mole Fraction of Urea, CO(NH2)2

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What is the mole fraction of urea, CO(NH2)2, in a solution prepared by dissolving 31.0 g CO(NH2)2 in 118 mL of water at 20 degrees Celsius (d= 0.998 g/mL)?

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It calculates the mole fraction of urea in a solution. The response is detailed and has a '5/5' rating.

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The molar mass of urea is 12 + 16 + 2 * 14 + 4 * 1 = 60 g/mol
the moles of 31.0 g urea ...

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