A sample of aluminum foil has the followingcharacteristics: Dimensions: 10. cm x

Question

A sample of aluminum foil has the followingcharacteristics:                                                    Dimensions: 10. cm x 10.cm                                                                                              Mass: 0.4405 g
If the density of aluminum is 2.70 g/cm3, find thethickness of the foil in µm. A sample of aluminum foil has the followingcharacteristics:                                                    Dimensions: 10. cm x 10.cm                                                                                              Mass: 0.4405 g
If the density of aluminum is 2.70 g/cm3, find thethickness of the foil in µm.

Explanation / Answer

Densisty= mass/volume 2.70=.4405/(10x10x X)    X=the thickness becausethat's part of volume So now all you do is solve for X 2.70=.4405/100X 100X=.4405(2.70) X=.4405(2.70)/100 Now put that in your calculator and you will have the thickness ofthe foil in cm and then multiply that by 10000 to get your value inmicrometers

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