NCERT Class XI Chemistry Equilibrium Solutions
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Question : 42
Total: 73
The pH of a sample of vinegar is 3.76. Calculate the concentration of hydrogen ions in it.
Solution:
We know that pH = – log [ H + ]
∴[ H + ] = antilog[–pH] = antilog(–3.76) = 1.738 × 10 – 4 M
∴
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