Henderson–Hasselbalch equation represents the relationship between the pKa of an acid and the pH of a solution containing the acid and its conjugate base.
What is Henderson equation?
The Henderson-Hasselbalch equation, which reads pH = pKa + log([A]/[HA]), can be used to figure out a buffer's pH. The equilibrium concentrations of the conjugate acid-base pair utilised to make the buffer solution are denoted by [HA] and [A] in this equation.
What is a buffer solution?
A buffer solution is an aqueous mixture of a weak acid and its conjugate base, or vice versa, known more specifically as a pH buffer or hydrogen ion buffer. When a modest amount of a strong acid or base is applied to it, the pH hardly changes at all. A multitude of chemical applications use buffer solutions to maintain pH at a practically constant value. Numerous living systems use buffering to control pH in the natural world. For instance, the pH of blood is controlled by the bicarbonate buffering system, and bicarbonate also serves as a buffer in the ocean.
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