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A solid weighing 277.5g in air and 212.5g is totally immersed in a liquid of density 0.9g/cm^3 . Calculate the density of the solid.

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3 answers
  1. eh?
    how can it weigh "277.5g in air and 212.5g" ??

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  2. I think the student means it weighs 277.5 g in air and 212.5 g when immersed in the liquid of density 0.9 g/cc.
    So liquid displaced by the object is 277.5 - 212.5 = 65 g
    Volume of liquid displaced = mass/density = 65 g/0.9 g/cc = 72.22 cc = volume of the solid.
    density of the solid = mass/volume = 277.5/72.22 = ?

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  3. The previous answer by me.

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