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4 September, 14:35

An experiment requires 54.6 g of ethylene glycol, a liquid whose density in SI units is 1114 kg/m3. Rather than weigh the sample on a balance, a chemist chooses to dispense the liquid using a graduated cylinder. What volume in milliliters of the liquid should be used?

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  1. 4 September, 14:44
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    Answer: 49.0 cm^3

    Explanation:

    1) formula: density = mass / volume

    => volume = mass / density

    2) mass (given) = 54.6 g

    3) density (given) = 1114 kg / m^3

    conversion of units: 1114 kg / m^3 * 1000 g/kg * 1 m^3 / (1,000,000 cm^3) = 1.114 g/cm^3

    4) calculation:

    volume = 54.6 g / 1.114 g/cm^3 = 49.0 cm^3
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