Solved: Muriatic acid, a commercial-grade hydrochloric
Chapter 4, Problem 4.173(choose chapter or problem)
Muriatic acid, a commercial-grade hydrochloric acid used for cleaning masonry surfaces, is typically around 10 percent HCl by mass and has a density of 1.2 g/cm3 . A 0.5-in layer of boiler scale has accumulated on a 6.0-ft section of hot water pipe with an internal diameter of 2.0 in (see the Chemistry in Action essay on p. 126). What is the minimum volume of muriatic acid in gallons that would be needed to remove the boiler scale?
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