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Question 13.11: Find the mass percent concentration of a solution containing......

Find the mass percent concentration of a solution containing 19 g of solute and 158 g of solvent.

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GIVEN: 19 g solute
158 g solvent
FIND: mass percent

Mass  percent=\frac{\mathrm{mass\;solute}}{\mathrm{mass\; solute + mass\; solvent}} \times 100  \% \\ Mass  percent=\frac{19  g} {19  g + 158  g} \times 100\% \\  Mass  percent=\frac{19  g}{177  g} \times 100  \% \\ =11  \%

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