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Question:

Chemistry! You have 250.0 mg of copper solution with a density of 19.36g/cm^3?

And you have a gold sheet of foil with an area of 2.8 ft by 1.0 ft. How thick would the copper solution be of you were to lay it down across the gold foil? Hint: thickness cm^3/cm^2

Answer:

So, if you were laying it down across the gold foil, it would be 1 dimensional, in centimeters of thickness. First, find volume of copper using the density given (19.36g/cm^3) 0.250g x 1cm^3/ 19.36g 0.0129cm^3, volume of copper Multiply 2.8ft with 1.0ft 2.8ft^2 Change ft^2 to cm^2: 2.8ft^2 x 929 cm^2/ 1ft^2 2601.2 cm^2 Divide volume of copper over area of copper, assuming the length and width cm^2: 0.0129cm^3/ 2601.2 cm^2 4.96 x 10^-6 cm thick

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