What is the density of a substance with a mass of 9 #g# and a volume of 27 #cm^3#?

1 Answer
anor277
Oct 1, 2016

#"Density, "rho~=0.33*g*cm^-3#.

Explanation:

#"Density"# is simply the quotient, #"mass"/"volume"#.

Given 2 of the 3 parameters, thus we can work out the third.

Here, we have been given (conveniently!) #(i)# the mass, and #(ii)# the volume. So we take the quotient:

#((i))/((ii)) ="mass"/"volume"# #=# #(9*g)/(27*cm^3)# #=# #??*g*cm^-3#, and doing the problem with dimensions included gives us an answer in #g*cm^-3# as required.

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