36. What does pH measure?

A. the total number of acid molecules in solution
B. the total number of base molecules in solution
C. the concentration of hydrogen ions in solution
D. the concentration of oxygen atoms in solution



Answer :

Final answer:

pH is a measure of hydrogen ion concentration in a solution, indicating acidity or basicity.


Explanation:

pH is a measure of the concentration of hydrogen ions in a solution. A solution with a high number of hydrogen ions is acidic and has a low pH value, while a solution with a high number of hydroxide ions is basic and has a high pH value. The pH scale ranges from 0 to 14, with 7 considered neutral.


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