What is the percentage by mass concentration of a solution that contains 8.20 g of sugar dissolved in 11.8 g of water? *
A. 14% sugar
B. 41% sugar
C. 69% sugar
D. 70% sugar
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What is the percentage by mass concentration of a solution that contains 8.20 g of sugar dissolved in 11.8 g of water? *
A. 14% sugar
B. 41% sugar
C. 69% sugar
D. 70% sugar
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SOLUTION:
[tex]\text{percent by mass} = \dfrac{\text{mass of solute}}{\text{mass of solute + mass of solvent}} \times 100\%[/tex]
[tex]\text{percent by mass} = \dfrac{\text{8.20 g}}{\text{8.20 g + 11.8 g}} \times 100\%[/tex]
[tex]\boxed{\text{percent by mass} = 41\%}[/tex]
ANSWER:
B. 41% sugar
[tex]\\[/tex]
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