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Question
The pH of 0.001 M NaOH(aq) solution will be:
Options
9
7
11
12
MCQ
Solution
11
Explanation:
[OH−] = 0.001 M
pOH = −log10 [OH−] = −log10 [0.001] = 3
pH = 14 − pOH = 14 − 3 = 11
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The pH Scale
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