CBSE Class 11-science Answered
how can we determine d strength of an acid
Asked by shuchi.saumya | 23 Jul, 2010, 12:00: AM
Expert Answer
For an aqueous solution of acid or base product of H+ ion concenteration and (OH)-ion concenteration is alwaya constant and equals to 10-14 which is called ionic product of water (Kw).
strenght of an acid could be determined by the negative logarithm of hydrogen ion concenteration ie. pH of the solution.
pH= -log[H+]
ex. if the solution has H+ ion concenteration = 0.2 M ie.10-2 moles/litre, its pH is 2.
Asubstance is considered acidic if its ph lies between 0 to 6.
Answered by | 24 Jul, 2010, 06:44: PM
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