Question:

Volume solid and mass?

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Ok so I know this is very simple but for some reason my brain is just blahing out. Basically I have to find the volume mass and density of an unknown metal. using:

mass of flask - 36.60 g

mass of flask plus unknown solid - 95.48 g

mass of flask plus unknown solid, plus water -114.76

mass of flask filled with water - 61.39 g

temp of water - 20 C

denisty of water - 1 g/cm^3

Volume of solid - ?

Mass of Solid - ?

Density of Solid - ?

Any help is appreciated. and I figured out that the mass of unknown solid is 58.88 g. I hope at least

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  1. Let's start with the mass.

    To find the mass, you need to subtract the mass of the flask from the masses of the flask and the solid.

    Both - Flask = Solid

    95.48g - 36.60g = 58.88g.

    ---

    To find the volume, you need to find out how much water the solid displaces.

    Let's start by removing the mass of the flask from the mass of the flask filled with water.

    Both - Flask - Water

    61.39g - 36.60g = 24.79g

    So we need to find out how much water is displaced by the solid.

    114.76g - 36.60g - 58.88g = 19.28g

    Since density is m/v, we can find the volume of water to also be 19.28cm^3.

    So the volume of the solid would be 19.28cm^3.

    ---

    Density is m/v.

    So 58.88g /19.28cm^3 = 3.05394191g/cm^3

    And rounding to 4 sigfigs, density would be 3.054g/cm^3

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