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14 September, 10:11

A 50.0 mL volumetric flask filled with aqueous solution of

hydrogen peroxide has a total mass of 88.5 g. The mass of the

volumetric flask is 16.5 g. What is the density of the aqueous

solution of hydrogen peroxide?

_g/mL

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Answers (1)
  1. 14 September, 12:38
    0
    1.44g/mL

    Explanation:

    Data obtained from the question include:

    Volume of volumetric flask = 50mL

    Mass of volumetric flask + hydrogen peroxide = 88.5g

    Mass of volumetric flask = 16.5g

    Mass of Hydrogen peroxide = 88.5 - 16.5 = 72g

    The density of aqueous hydrogen peroxide can be obtained as shown below:

    Mass of Hydrogen peroxide = 72g

    Volume of Hydrogen peroxide = 50mL

    Density = ?

    Density = Mass / volume

    Density = 72/50

    Density = 1.44g/mL
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