Finding SG from volume and weight

2. Density & Specific Gravity 2.1) Specific Gravity 2.1.1) SG - General

2.1.1.1) SG from volume and weight Easy 1


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A liquid medication weighs 220 g and occupies a volume of 219.12 mL at a certain temperature. What would be the specific gravity of the product?


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lb equals 1.004 kg

    Answer: 1.004 (no unit).
    • We know that, Specific Gravity (SG) of a substance is the ratio of the weight of the substance and the weight of water that occupies the volume of the substance. In order to keep it simpler, we can just divide the numbers of 'weight in gram' by the 'volume in ml'.
    • We can write: SG of the substance = 220/219.12 = 1.004

    SG = Weight in grams → 220
    Volume in mL → 219.12
    Therefore, SG = 1.004;


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