SG using pycnometer

2. Density & Specific Gravity 2.1) Specific Gravity 2.1.2) SG - Pycnometer

2.1.2.1) SG using pycnometer Easy 1


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A 25 mL pycnometer is found to weigh 103 g when empty, 132.38 g when filled with water, and 133.5552 g when filled with clove oil . Calculate the specific gravity of clove oil .


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lb equals 1.04 kg

    Weight of the empty pycnometer = 103 g.
    Weight of the pycnometer containing water = 132.38 g.
    Therefore, the weight water = 132.38 - 103 = 29.38 g.
    Weight of the pycnometer containing clove oil = 133.5552 g.
    Therefore, the weight of the clove oil alone = 133.5552 - 103 = 30.5552 g.
    The specific gravity of clove oil will be the ratio of the weight of clove oil and the weight of water. Therefore, the SG is 30.5552 / 29.38 = 1.04
    Thefore, the answer is 1.04 (no unit).


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