Science Help Online Worksheet 2-7c Density
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Hit the print command and show all work in the spaces provided.   Use the 5-step method and be sure to include units where appropriate.  Round your answers to the correct number of significant digits.

                                                  Mass                           m
                                    Density = --------------     or    D = -------
                                                 Volume                         v

Adjust the density formula and solve the problems below:

               m                                                                           
     D = -------    Original Formula          -    Adjust the formula for the unknown     v =
               v

1.  Pure gold has a density of 19.32 g/cm3.  How large would a piece of gold be if it had a mass of 318.97 g?


 

 
2.  How many cm3 would a 55.932 g sample of copper occupy if it has a density of 8.92 g/cm3?


 

 
3.  The density of lead is 11.342 g/cm3.  What would be the volume of a 200.0 g sample of this metal?

 

 

 
Answers            1)     16.51 cm3                                2)      6.270 cm3                               3)      17.63 cm3 

Please forward all questions, comments and criticisms to Gregory L. Curran.
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Last Modified May 22, 2004