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 sample of lead-based paint contains 60.5 ppm lead. The density of the paint is 8.0 lb/gal. Calculate the mass of lead (in grams) that would be present in 50. gal of this paint.
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