Home > categories > Minerals & Metallurgy > Aluminum Foils > Aluminum in a package containing 75ft^2 of foil weighs approximately 12 ozAluminum has a density of 2.7 g/mL?
Question:

Aluminum in a package containing 75ft^2 of foil weighs approximately 12 ozAluminum has a density of 2.7 g/mL?

a) What is the total volume of the aluminum foil in mL?b) What is the appropriate thickness of the aluminum foil in millimeters? Assume that aluminum foil can be approximated as a rectangular box.I have no clue how to even start this problemAny help to jumpstart me would be great.

Answer:

Change the 12oz to grams so you have the same units as density12oz x 28.3g/oz 340gCalculate the volume using the density formulaD m/V so V m/D 340g / 2.7g/mL 126mL 126cm^3Change the given area from ft^2 to in^2 then cm^2 75ft^2 x (12in/1ft)^2 x (2.54cm/1in)^2 69,677cm^2 Volume length x width x height area x lengthlength volume / area 126cm^3 / 69,677cm^2 0.00181cm 0.00181cm x 10mm/cm _mm

Share to: