Add an acid or a base to it.
The water solution of sodium chloride is neutral.
Yes, it goes down with some 1/10th of a pH unit in hot water.
Yes, adding water to a base will dilute the solution, which can affect the pH. The pH of a basic solution may increase or decrease depending on the concentration of the base and the amount of water added.
Adding water to a base will not change the pH of the solution, but it will dilute the base concentration. If you add water to a basic solution, the pH will remain the same, but the concentration of the base will decrease.
Adding water to an acidic solution can dilute the concentration of the acids present, which may affect the pH. However, the addition of water by itself does not directly impact the pH of the solution.
Increase pH (water) = 7 pH (KOH solution) is about 8 - 10
When an acid solution is diluted with water, the pH will increase. This is because dilution reduces the concentration of the acid, resulting in a lower concentration of hydrogen ions in the solution, which in turn raises the pH.
Yes, adding water to ethanol will change its pH. Ethanol is a neutral compound with a pH of around 7. However, adding water will dilute the ethanol, potentially changing its pH depending on the amount of water added and the initial concentration of the ethanol solution.
The presence of an acid lowers the pH of the solution in water.
The water solution of sodium chloride is neutral.
The pH is under 7.
A solution with a pH lower than the pH of distilled water is acidic. The pH of distilled water is 7, so any solution with a pH below 7 is considered acidic.