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Question:

Math/Chemistry Problem?

Here's the problem:A package of aluminum foil contains 50ft? of foil, which weighs approximately 8.0 ozAluminum has a density of 2.70g/cm? (cubed)What is the approximate thickness of the foil in milliliters? Can someone please solve/explain the problem? Thank you in advance!

Answer:

So if we unroll the foil we have a rectangular sheetIt's area is 50 ft?Let's convert to cm?50 ft? (30.48cm/ft)^2 46451 cm?The volume of the rectangular sheet is the area times the thickness(T)46451 cm? (T) V We can calculate V based on the weight using the density and solve the above equation for TNow we know the weight is 8.0 ozLet's convert it to grams 8oz 28.3 gram/oz 226.4 grams Density V 226.4 g 2.70g/cm? V 226.4 g V 226.4/2.70 83.85 cm^3 Back to this equation: 46451cm? (T) V 46451cm? (T) 83.85 cm^3 T 83.85/46451 0.001805 cm

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