Mathematics
Mathematics, 03.04.2020 00:57, lisnel

The equation for the pH of a substance ls pH=-log[H^ + ] where H+ is the concentration of hydrogen ions. What is the approximate pH of a solution whose hydrogen ion concentration is 2 * 10 ^ - 9

a. 1.0
b. 2.9
c. 8.7
d. 9.3

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