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Volume can also be measured by displacement of a liquid. Consider Object C which has an irregular shape and a mass of 112.14 g. You put Object C into a 100 mL graduated cylinder containing 35.5 mL of water, and the water level rises to 74.0 mL. What is the density of Object C?
Group of answer choices
1.02 g/mL

3.16 g/mL

1.5 g/mL

2.91 g/mL


Sagot :

Answer:

2.91 g/ml

Explanation:

volume=74-35.5=38.5ml

the density is 112.17/38.5=2.91g/ml

I hope you understood that

The density of the object is 2.91 g/mL

The density of an irregular object can be measured by the displacement method. In this method, a known volume of water is poured into measuring cylinder and the irregular object is inserted into the water. The change in the volume of water is the volume of the irregular object.

In this case;

Original volume of water = 35.5 mL

Volume after displacement =  74.0 mL

Volume of object = 74.0 mL - 35.5 mL

Volume of object = 38.5 mL

Mass of object =  112.14 g.

Density of object  = mass/volume

Density =  112.14 g/38.5 mL

Density =  2.91 g/mL

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