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Vika [28.1K]
3 years ago
11

A 4.369 g sample of metal is placed in a flask. Water is added to the flask and the total volume in the flask is read to be 126.

4 ml. The mass of the water, flask, and metal is 268.5 g. If the mass of the flask is 139.3 g and the density of water is 1.000 g/mL, the density of the solid is ________ g/cm3.
Chemistry
1 answer:
ella [17]3 years ago
5 0

Answer:

Density of the solid=2.78 g/cm^3

Explanation:

We are given that

Mass of sample of metal=4.369 g

Volume in the flask, V=126.4 ml

Mass of water, flask, and metal=268.5 g

Mass of flask=139.3 g

Density of water=1.000 g/mL

We have to find the density of the solid.

Mass of water=268.5-4.369-139.3=124.831 g

Volume of water=\frac{Mass\;of\;water}{density\;of\;water}

Volume of water=\frac{124.831}{1}=124.831 mL

Volume of solid=126.4 ml-124.831 mL

=1.569mL

Now,

Density of the solid=\frac{mass\;of\;solid}{volume\;of\;solid}

=\frac{4.369}{1.569}

=2.78g/mL

1mL=1 cubic cm

Therefore,

Density of the solid=2.78 g/cm^3

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