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A student need to predict the mass of a block of aluminum. The block is 4.23 cm on all sides and the density of aluminum is 2.7 g/cm3. What will the mass of the block be?
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A student need to predict the mass of a block of aluminum. The block is 4.23 cm on all sides and the density of aluminum is 2.7 g/cm3. What will the mass of the block be?

User Qullbrune
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1 Answer

8 votes
The equation for density is:
Density = mass / volume.
To rearrange for mass, you would times by volume on both sides to give you:
Mass = density x volume
Mass = 2.7 x (4.23^3)
= 2.7 x 75.686967
= 204.3548109
= 204.35 g (to 2 dp)
User Amirh
by
8.2k points
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