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13 August, 06:12

The liquid 1,2-dibromobenzene has a density of 1.98 g/mL at 20.0°C. If a 26.7 mL sample of this compound is provided, what is the mass of the liquid at 20.0°C must be provided?

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  1. 13 August, 06:28
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    m = 52.9 g

    Explanation:

    Density:

    Density is equal to the mass of substance divided by its volume.

    Units:

    SI unit of density is Kg/m3.

    Other units are given below,

    g/cm3, g/mL, kg/L

    Formula:

    D=m/v

    D = density

    m=mass

    V=volume

    Symbol:

    The symbol used for density is called rho. It is represented by ρ. However letter D can also be used to represent the density.

    Given dа ta:

    Density of 1,2 dibromobenzene = 1.98 g/mL

    Volume = 26.7 mL

    Mass = ?

    Solution:

    d = m/v

    m = d * v

    m = 1.98 g/mL * 26.7 mL

    m = 52.9 g
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