Question

An object with a mass of 7.5 g raises the level of water in a graduated cylinder from 25.1 ml to 30.1 ml. what is the density of the object?

Answer 1

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Answer 2

Answer:

1.5 g/mL is the density of the object.

Explanation:

Mass of an object = 7.5 g

Initial level of the water in graduated cylinder = 25.1 mL

Final level of the water in graduated cylinder = 30.1 mL

Change in volume of water level = 30.1 mL - 25.1 mL = 5.0 mL

Change in volume of water level =  Volume occupied by an object

Volume of an object = 5.0 mL

$Density=\frac{Mass}{Volume}$

$\Density=\frac{7.5 g}{5.0 mL}=1.5 g/mL$

1.5 g/mL is the density of the object.