pH change from 9 to 6, the H ion concentration will
A. Increase 100 times
B. Increase by 1,000 times
C. Decrease by 1,000 times
D. No net change
Answer: Option B
Solution (By Examveda Team)
pH is changing from 9 to 6 means moving from basicity to acidity level. Therefore, the concentration of H+ ion will increase 1,000 times.The H+ concentration of pH 9 is 10-9 mol/l while that of pH 6, the H+ ions will be 10-6, hence increase of 10-3 hydrogen ions i.e. 1,000 ions can be observed.
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