The pH of your small intestines is around 7.5 and the pH of your large intestine can be 5.5.As substances travel from the small intestines to the large intestine,what would happen to the H⁺ ion concentration? A)It decreases 100-fold. B)It increases by 100-fold. C)It increases 10-fold. D)It increases 2-fold. E)It decreases 10-fold.

Question

Quizplus · Accepted Answer

The pH scale is logarithmic, meaning a change of 1 pH unit represents a tenfold change in hydrogen ion concentration. Moving from a pH of 7.5 to 5.5 is a decrease of 2 pH units, which means the hydrogen ion concentration increases by 10^2 or 100-fold.

The PH of Your Small Intestines Is Around 7