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20 March, 11:25

Question 9

A chemistry student needs 85.0mL of carbon tetrachloride for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density of carbon tetrachloride is 1.59 gcm^-3. Calculate the mass of carbon tetrachloride the student should weigh out.

Be sure your answer has the correct number of significant digits.

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Answers (1)
  1. 20 March, 12:08
    0
    Mass of carbon tetrachloride 135.15 g.

    Explanation:

    Given dа ta:

    Volume of carbon tetrachloride = 85.0 mL or 85.0 cm³

    Density of carbon tetrachloride = 1.59 g/cm³

    Mass of carbon tetrachloride = ?

    Solution:

    Formula:

    D=m/v

    D = density

    m=mass

    V=volume

    Now we will put the values in formula:

    1.59 g/cm³ = m / 85.0 cm³

    m = 1.59 g/cm³ * 85.0 cm³

    m = 135.15 g
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