The Chemical Acidity of a Solution Is Measured in Units

question 142

Multiple Choice

The chemical acidity of a solution is measured in units of pH: , where is the hydrogen ion concentration in the solution. If a sample of rain has a pH of 3.4, how many times higher is its than pure water's, which has a pH of 7?

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Definitions:

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The average value of a particular characteristic for all the individuals within a population.