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10 July, 11:47

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

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  1. 10 July, 12:13
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    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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