Chemistry

The density of liquid mercury is 13.5 g/cm cube. What mass of mercury (in kg) is required to fill a hollow cylinder having an inner diameter of 2.00 cm to height of 25.0 cm?

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  1. Calculate the volume of the cylinder.

    (pi)r^2h

    3.142 x 1.0 cm^2 x 25.0 cm = approx 75 cm^3

    (but calcutae the exact value)

    mass = volume x density

    mass = 75 cm^3 x 13.5 g cm^3 = approx 1000 g

    (but calcutae the exact value)

    or approximately 1 kg

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    posted by Dr Russ

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