Lead has a density of 11.3 g/#cm^3#. What is the volume of a block of lead with a mass of 282.5 g?

1 Answer
anor277
Mar 16, 2017

Approx. #25*cm^3#..........

Explanation:

#rho#, #"density"# #=# #"mass"/"volume"# by definition. The quoted density, #rho=11.3*g*cm^-3# thus has appropriate units.

To get volume, we thus take the QUOTIENT: #"volume"="mass"/rho#, i.e.

#(282.5*g)/(11.3*g*cm^-3)=??*cm^3#. Is this quotient dimensionally consistent? Why?

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