SCIENCE

A flask weights 46.8 g when it is empty and
121.6 g when filled with water. When the
same flask is filled with another liquid, the
mass is 91.2 g. What is the density of the
second liquid?

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asked by LISA
  1. You must first find the volume of the flask. Do that with the water.
    121.6 g = mass flask + water
    - 46.8 g = mass flask empty
    ----------
    74.8 = mass water.
    density of water is 1.00 g/mL; therefore,
    m = volume x density
    74.8 = volume x 1.00 g/mL
    volume = 74.8 mL.

    Then find mass of the other liquid and use mass = volume x density to solve for density of the other liquid.

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    posted by DrBob222

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