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What is the % mass of a solution composed of 265mg of glucose dissolved in 3 grams of water?

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  1. Today, 10:10
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    8.1%

    Explanation:

    mass of glucose / total mass of solution x 100

    So first 265mg into grams = 0.265 g

    0.265 + 3 = 3.265

    mass of glucose = 0.265

    total mass of solution = 3.265

    0.265/3.265 x 100 = 8.1% (rounded to 2 s. f)
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