Trouble with a density mass problem

  • Thread starter seacow
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  • #1
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Homework Statement


What's the mass (lb) of a soil in an acre 6 inches deep with bulk density of 1.2 g/cm3?

Homework Equations





The Attempt at a Solution

 

Answers and Replies

  • #2
LowlyPion
Homework Helper
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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?
 
  • #3
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the volume of a half acre is 43,560ft3*.5= 21,780ft3
21,780ft3*mass (1.2g/cm3)=?
 
  • #4
LowlyPion
Homework Helper
3,097
6
Well Google says
1 cubic foot = 28 316.8466 cubic centimeters
1 pound = 453.59237 grams
 

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