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18 July, 12:34

The density of glycerol is 1.26 g/mL. The density of mercury is 13.6 g/mL. How many grams of glycerol will occupy the same volume as 14.4 grams of mercury?

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Answers (2)
  1. 18 July, 13:08
    0
    mass glycerol = 1.334 g

    Explanation:

    ∴ δ glycerol = 1.26 g/mL

    ∴ δ mercury = 13.6 g/mL

    ∴ mass mercury = 14.4 g

    ⇒ Volume mercury = (14.4 g) * (mL/13.6 g) = 1.059 mL

    mass glycerol will occupy V = 1.059 mL:

    ⇒ (Xg glycerol) (mL/1.26 g glycerol) = 1.059 mL

    ⇒ Xg glycerol = (1.059 mL) (1.26 g/mL) = 1.334 g glycerol
  2. 18 July, 14:15
    0
    We have 1.34 grams of glycerol

    Explanation:

    Step 1: Data given

    Density glycerol = 1.26 g/mL

    Density mercury = 13.6 g/mL

    Mass of mercury = 14.4 grams

    Volume of glycerol = volume mercury

    Step 2: Calculate volume of mercury

    Volume mercury = mass / density

    Volume mercury = 14.4 grams / 13.6 g/mL

    Volume mercury = 1.06 mL

    Step 3: Calculate mass of glycerole

    Volumer mercury = volume glycerole

    Volume glycerol = mass / density

    mass glycerol = volume glycerol * density

    mass glycerol = 1.06 mL * 1.26 g/mL

    Mass glycerol = 1.34 grams

    We have 1.34 grams of glycerol
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