how do we calculate pH value of a substance?
Asked by | 1st Jun, 2008, 09:20: PM
pH is a measure of the activity of dissolved hydrogen ions (H+),The formula for calculating pH is:
Example:Dissolving the strong acid HCl in water can be expressed as:
- HCl(aq) → H+ + Cl−
- pH = −log (0.01)
which equals 2.
Answered by | 16th Jun, 2008, 12:34: AM
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