The pH value of pure water at 25°C is:

Q: The pH value of pure water at 25°C is:

The correct answer is C. Pure water at 25°C has a pH of 7, which is neutral on the pH scale. At this temperature, water has equal concentrations of H+ and OH- ions (10^-7 M each). Remember: Pure water is always neutral with pH 7 at room temperature.

Question

Accepted Answer

Pure water at 25°C has a pH of 7, which is neutral on the pH scale. At this temperature, water has equal concentrations of H+ and OH- ions (10^-7 M each). Remember: Pure water is always neutral with pH 7 at room temperature.