Problem: What is the density of lead (in g/cm3 ) if a rectangular bar measuring 0.50 cm in height, 1.55 cm in width, and 25.00 cm in length has a mass of 219.1 g ?

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We are asked to determine the density of lead (in g/cm3 ) in a rectangular bar measuring 0.50 cm in height, 1.55 cm in width, and 25.00 cm in length with a mass of 219.1 g.


Recall that density is the ratio of the mass and volume of an object:


density=massvolume


Also, the volume of a rectangle is given by:


V=L×W×H


where: 

L = length 

W = width

H = height


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Problem Details

What is the density of lead (in g/cm3 ) if a rectangular bar measuring 0.50 cm in height, 1.55 cm in width, and 25.00 cm in length has a mass of 219.1 g ?

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