An environmental technician collects a sample of
Chapter 20, Problem 91P(choose chapter or problem)
Problem 91P
An environmental technician collects a sample of rainwater. Back in the lab, her pH meter isn’t working, so she uses indicator solutions to estimate the pH. A piece of litmus paper turns red, indicating acidity, so she divides the sample into thirds and obtains the following results: thymol blue turns yellow; bromphe- nol blue turns green; and methyl red turns red. Estimate the pH of the rainwater.
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