Sunday, November 7, 2010

Nov.5--(Lab 2E) Determining Aluminum Foil Thickness

In order to find out the thickness of aluminum foil, you must remember the formula:
 D= M/ V
(D: density, M: mass, V: volume )



Equipment:
3 rectangular pieces of aluminum foil

metric ruler

centigram balance




Procedure:
1.Use a metric ruler to measure the length and width of each piece of foil.
2.Use a centigram balance to find the mass of each piece of foil
(Using significant figures to record the quantities)
3.Density of aluminum foil is 2.70g/cm’3
4.Calculate the volume use: V= M/D
5.Then H=V/LW (should be expressed in scientific notation)




Experimental Error:
(your measurement - Accepted value) / Accepted value*100  %

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