Physics

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40 g of gasoline are mixed with 45 g of water. What is the average density of the mixture?

  • Physics -

    The following are densities in kg/m^3: ethyl alcohol, 790; gasoline, 680; sea water, 1030; mercury, 13600.

  • Physics -

    Is the water that gets mixed sea water? You didn't say.

  • Physics -

    it is fresh water

  • Physics -

    Fresh water's density is 1000 kg/m^3.

    The average density of the mixture is
    40*680 + 45*1000/95

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