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7 September, 16:56

An experiment requires 47.9 g g of ethylene glycol, a liquid whose density in SI units is 1114 kg/m3 k g / m 3. 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. 7 September, 18:43
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    43 mL would be the volume in milliliters of the liquid that should be used

    Explanation:

    Ethylene glycol density = 1114 kg/m³

    Mass of ethylene glycol density = 47.9 g

    Let's convert the density to units of g/mL

    1 cm³ = 1mL

    1 kg = 1000 g

    1m³ = 1000000 cm³

    1114 kg. 1000 g / 1kg = 1114000 g

    Ethylene glycol density = 1114000 g / 1000000 cm³ = 1.114 g/mL

    Now we can apply the mass, to determine the volume in mL

    Ethylene glycol density = Ehtylene glycol mass / Ethylene gylocl volume

    1.114 g/mL = 47.9 g / Ethylene gylocl volume

    Ethylene gylocl volume = 47.9 g / 1.114 g/mL → 42.99 mL ≅ 43mL
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