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Question:

help with chem homework??

A package of Aluminum foil contains 50 ft^2 of foil, which weighs approx8.0 ozaluminum has a density of2.70g/cm^3what is the approx thickness of the foil in meters?im having a brain fart

Answer:

1 oz 28.35 g 8 oz 226.8 g mass 1 ft 30.48 cm 1 ft? 929 cm? 50 ft? 46451 cm? Area Area 46451 cm? Volume Areathickness 46451 cm? h Density mass/Volume Volume mass/density 226.8 g/2.7g/cm? Volume 84 cm? Volume 46451 cm? h also h 84 cm? / 46451 cm? h 0.00181 cm h 0.0000181 m
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