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Question
pH of a solution is 5. Its hydroxyl ion concentration is
pH of a solution is 5. Its hydroxyl ion concentration is
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Solution
The correct option is D 10-9
pH = 5 means [H+] = 10−5
pOH = 14 − pH = 14 − 5 = 9
[OH−] = 10−pOH = 10−9
10-9
pH = 5 means [H+] = 10−5
pOH = 14 − pH = 14 − 5 = 9
[OH−] = 10−pOH = 10−9
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