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What is the percent by mass concentration of a solution that contains 7.30 grams of sugar dissolved in 20.5 grams of water

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Answer:

26.26%

Explanation:

To get the percentage, add the amount of sugar and water

7.30g + 20.5g = 27.8g

Next,

7.30g/27.8g × 100 = 3650/139

... convert to decimal

26.258 g

... round of to get 26.26%

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