Topical Questions
These questions are keyed to the major topics in the chapter. Usually a question that is answered at the back of this book is paired with a similar one that is not.
A paint contains 200. ppm lead. Calculate what mass of lead (in grams) will be in 1.0 cm2 of this paint (density = 8.0 lb/gal) when 1 gal is uniformly applied to a 500. ft2 wall.
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