Chemistry II
posted by DE .
84.6g of NH3 are dissolved in 822g of water. What are the concentrations of this solution in mass percent and molality? Mass percent= 10.3% Molality = 6.05 Mol/kg

Chemistry II 
DrBob222
m is right. mass percent not right.
You did (84.6/822)*100 but that isn't right. mass percent = (mass solute)/total mass)*100 = ? and total mass is mass solute + mass solvent
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