Asked by Irma
Urea, (NH2)2CO, is dissolved in 73.5 g of water. The solution freezes at -0.095°C. How many grams of urea were dissolved to make this solution? (Answer must be in grams)
Answers
Answered by
DrBob222
delta T = Kf*molality
Solve for molality.
molality = moles/kg solvent.
Solve for moles.
moles = grams/molar mass.
Solve for grams.
Solve for molality.
molality = moles/kg solvent.
Solve for moles.
moles = grams/molar mass.
Solve for grams.
Answered by
Fedesco
I'm very grateful to this work and pray that God continue to guide you.It is helping as a chemistry student from the university of Liberia
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