Asked by CC
A solution is prepared by dissolving 15.0 g of NH3 in 250.g of water. The density of the resulting solution is 0.974 g/ml. The mole fraction of NH3 in the solution is?
Answers
Answered by
DrBob222
moles NH3 = 15.0/molar mass NH3.
If you didn't make a typo, you don't need density of water since you are given grams.
moles H2O = grams/molar mass.
X<sub>NH3</sub> = moles NH3/total moles.
If you didn't make a typo, you don't need density of water since you are given grams.
moles H2O = grams/molar mass.
X<sub>NH3</sub> = moles NH3/total moles.
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