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18 July, 10:40

A chemistry student needs 10.0 mL of acetone for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density of acetone is 0.790 g cm.

Calculate the mass of acetone the student should weigh out. Be sure your answer has the correct number of significant digits.

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  1. 18 July, 14:01
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    The student has to weigh 7.9 ±0.1 grams

    Explanation:

    Density of acetone : 0.790 g/cm³

    If the student has to measure 10.0 mL of acetone, he can weigh an specific mass.

    Density of acetone = Mass of acetone / Volume of acetone

    cm³ = mL

    0.790 g/cm³ = Mass of acetone / 10 cm³

    0.790 g/cm³. 10cm³ = 7.9 g
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