SOLUTION: An electrolytic tin plating process gives a coating of 30 millionths of an inch thick. How many square meters can be coated with 1 kg of tin, density 7,300 kg/m^3?

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Question 214609: An electrolytic tin plating process gives a coating of 30 millionths of an inch thick. How many square meters can be coated with 1 kg of tin, density 7,300 kg/m^3?


Answer by Alan3354(69443) About Me  (Show Source):
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An electrolytic tin plating process gives a coating of 30 millionths of an inch thick. How many square meters can be coated with 1 kg of tin, density 7,300 kg/m^3?
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Convert units
30 millionths of an inch = 7.62E-5 cm
1 kg of Sn = 1/7300 cubic meters = 1E6/7300 cc (cubic cms) = 136.986 cc
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Volume = thickness*area
Area in sq cms = 136.986/7.62E-5 = 1797720 sq cm
Area = 179.772 sq meters