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Addition or removal of hydrogen ion causes a shift in the equilibrium, resulting in a reduction or increase in [H +], respectively. The effectiveness of a buffer system is optimal when the concentrations of its base and conjugate acid are equal; that is, the system is equally able to buffer excess protons or to release them. This point is the dissociation constant, or KA.

Eguation..(1] can now be written quantitatively to describe the hydrogen ion concentration, as shown in EqL.?.

Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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