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Trouble with a density mass problem

  1. May 14, 2009 #1
    1. The problem statement, all variables and given/known data
    What's the mass (lb) of a soil in an acre 6 inches deep with bulk density of 1.2 g/cm3?
    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. May 14, 2009 #2

    LowlyPion

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    Welcome to PF.

    Looks like you have a volume calculation problem.

    How would you begin to convert to the units of interest?
     
  4. May 14, 2009 #3
    the volume of a half acre is 43,560ft3*.5= 21,780ft3
    21,780ft3*mass (1.2g/cm3)=?
     
  5. May 14, 2009 #4

    LowlyPion

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    Well Google says
     
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