If aluminum has a density of 2.70 g/cm^3, what is the thickness in millimeters, of the foil?Any help is greatly appreciatedI have no idea what to do!
First of all, get those Imperial units converted to metric so that you're dealing with numbers all in the same measurement systemConvert to cm rather than mm because the density is given in terms of cubic cm 11 inches 27.94 cm 12 inches 30.48 cm Now, knowing that aluminum has a density of 2.7 g/cc and you have 8.9 g of aluminum, how many cc of aluminum do you have? 8.9g/2.7g per cc ~ 3.2963 cc of aluminum Volume Length x Width x Thickness You have just computed the volume, 3.2963 ccAnd you already know the length, 30.48 cm, and width 27.94 cm 3.2963 30.48 x 27.94 x T T 3.2963/(30.48 x 27.94) 0.00387 cm thickness 0.0387 mm thickness
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