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Grade: 12

                        

Does PH value of boiling water 7. Explain? How does PH vary with temperature?

2 years ago

Answers : (1)

Sarah
13 Points
							

Temperature plays a significant role on pH measurements. As the temperature rises, molecular vibrations increase which results in the ability of water to ionise and form more  hydrogen ions. As a result, the pH will drop. The dissociation of water into hydrogen and hydroxide ion can be represented as:

H2O (l) ⇌ H+ (aq) + OH− (aq)

Every solution will undergo a change in their pH value through changes in temperature. A difference in pH measurements at different temperatures is NOT an error! The new pH level simply tells about the true pH for that solution at that specific temperature.

The ph of water at boiling point is 6.14

2 years ago
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