Which has the greater concentration of hydrogen ions, a substance with a pH of 5 or a substance with a pH of 4?

A) A pH of 4 is greater.
B) A pH of 5 is greater.
C) They are both equal; 4 and 5 are relative values.
D) pH 9, if you mixed the solutions.
E) There is not enough information to determine the answer.


A

Anatomy & Physiology

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