To 10 mL of an aqueous solution some strong acid having pH `=2` is mixed with 990 mL of the buffer solution with `Ph=4.0`. The pH of resulting solutio
To 10 mL of an aqueous solution some strong acid having pH `=2` is mixed with 990 mL of the buffer solution with `Ph=4.0`. The pH of resulting solution is
A. `4.0`
B. `4.10`
C. `3.8`
D. `4.25`
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Correct Answer - A
pH of buffer solution remains almost constant on adding small amount of acid or a base.
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