German571 German571

25-05-2015
Chemistry

Answered

What is the concentration of each of these solutions expressed as a percent sucrose by mass?
a) 17g sucrose dissolved in 183g water

b) 30.0g sucrose dissolved in 300.0g water

Answer :

lulu1991 lulu1991

25-05-2015

The concentration by mass means that the mass of solute in a given amount of solution. So for the a), the concentration should be 17/(17+183)*100%=8.5%. For b), the concentration should be 30/(30+300)*100%=9.09%.

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