# chemistry

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the mole fraction of urea (molar mass = 60g/mole) in a solution prepared by dissolving 16g of urea in 39g of h2o

• chemistry -

moles urea = 16g/60
moles H2O = 39/18
mole fraction urea = moles urea/total moles.

• chemistry -

thanks this will help me in solving my other problems...

• chemistry -

0.11

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