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12 November, 04:37

A student is given the question: "what is the mass of a gold bar that is 7.379 * 10-4 m3 in volume? the density of gold is 19.3 g/cm3."

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  1. 12 November, 06:23
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    The density of any substance can be calculated using the following rule:

    density = mass / volume

    Therefore,

    mass = density x volume

    First we need to standardize the units:

    volume = 7.379 x 10^-4 m^3

    density = 19.3 gm / cm^3 = 19300 kg / m^3

    Now, we will substitute with these values in the above mentioned equation to calculate the mass:

    mass = density x volume

    = 19300 x 7.379 x 10^-4 = 14.24147 kg
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