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22 Jun 2019
A paint contains 177.0 ppm lead. Approximately what mass in grams of lead will be in 1.00 cm2 of this paint when 1.00 gal is uniformly applied to 515.0ft2 of a wall. The density of the paint is 8.00 lb/gal.
Ā
Itried:
8lb/515 ft^2 X 200gPb/10^6 X 453.6 g of paint. Divided answerby2.54 cm per in and then by 12 in per foot. Answerwas .000040918,but incorrect.
A paint contains 177.0 ppm lead. Approximately what mass in grams of lead will be in 1.00 cm2 of this paint when 1.00 gal is uniformly applied to 515.0ft2 of a wall. The density of the paint is 8.00 lb/gal.
Ā
Itried:
8lb/515 ft^2 X 200gPb/10^6 X 453.6 g of paint. Divided answerby2.54 cm per in and then by 12 in per foot. Answerwas .000040918,but incorrect.
2 Jun 2021
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