Adding potassium hydroxide to water, 4 of 4. Potassium hydroxide (KOH), 0.1 M concentration, is poured into a beaker that contains water with few drops of phenolphthalein indicator added. Water turns progressively pink as the solution becomes alkaline throughout the volume. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Giphotostock |
Taille de l’image : | 3434 px × 5166 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |