karunikpanhnha karunikpanhnha

14-10-2021
Chemistry

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A 78 g of Aluminium bar place in water. The initical water level was 132 ml and the final water level was 144 ml. Find the Volume and density of aluminium?
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bkretsch03 bkretsch03

14-10-2021

The volume is 12 mL (0.012 L)

Before the aluminum was added, the water reached 132mL. After it was added, it reached 144. That means the Aluminum takes up (144-132)= 12mL of space.

The density = mass/volume. If the aluminum bar has a mass of 78g and volume of 0.012L, 78/0.012=6,500 g/L

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