What Is pOH? Definition and Calculation - Science Notes and Projects
Jun 15, 2021 · In chemistry, pOH is a measure of hydroxide ion concentration. The pOH scale is the reverse of the pH scale. pOH and pH are ways of describing how acidic or basic an aqueous solution …
Calculating_pHandpOH - Purdue University
Calculating pOH To calculate the pOH of a solution you need to know the concentration of the hydroxide ion in moles per liter (molarity). The pOH is then calculated using the expression: pOH = - log [OH -] …
15.8: pH and pOH Calculations - Chemistry LibreTexts
Dec 12, 2025 · pH and pOH are defined as the negative log of hydrogen ion concentration and hydroxide concentration, respectively. pOH is related to pH and can be easily calculated from pH.
15.2 pH and pOH – Chemistry Fundamentals
The pH and pOH scales represent concentrations of [H A 3 O A +] and OH A, respectively. The pH and pOH values of some common substances at standard temperature (25 °C) are shown in this chart.
pOH and how to calculate it - ChemTeam
So, if I have a pOH = 4, I know that the pH = 10 and that this is a basic solution. In a similar way, if I know the pOH is 11, then the pH is 3 and this is an acidic solution. For the examples below, convert …
pOH Scale and Calculations - CK-12 Foundation
Jan 1, 2026 · The pOH scale is similar to the pH scale in that a pOH of 7 is indicative of a neutral solution. A basic solution has a pOH of less than 7, while an acidic solution has a pOH of greater …
The pOH Concept | CHEM101 ONLINE: General Chemistry
A basic solution has a pOH of less than 7, while an acidic solution has a pOH of greater than 7. The pOH is convenient to use when finding the hydroxide ion concentration from a solution with a known pH.
pH and pOH – Introductory Chemistry
The acidity of a solution is typically assessed experimentally by measurement of its pH. The pOH of a solution is not usually measured, as it is easily calculated from an experimentally determined pH …
POH Definition - Organic Chemistry Key Term | Fiveable
pOH is the negative logarithm of the hydroxide ion (OH-) concentration in a solution, and it is a measure of the acidity or basicity of a solution. It is an important concept in the context of biological amines …
The Role of pOH and its Relationship to pH | Solubility of Things
The pOH scale is a crucial counterpart to the pH scale, measuring the basicity of a solution. It typically ranges from 0 to 14, similar to pH, but focuses specifically on the concentration of hydroxide ions …