The mass of an empty flsk is 49.74 g. what is the mass of the flask filled with acetone ( d = 0.792 g/mL) if the same flask weighs 75.2 g. when filled with water?

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  1. mass flask + H2O = 75.2g
    mass empty flask = -49.74
    .........mass H2O = ??
    density H2O = 1.00g/mL, solve for volume water. volume H2O =mass H2O/density H2O.

    Then mass acetone = volume acetone (volume of H2O that is) x density acetone.
    Add mass acetone to mass empty flask.

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  2. 69.9

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