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Which pair of concentrations results in the most effective buffer? Which pair of concentrations results in the most effective buffer? A.) 0.10 M HA; 0.90 M A−. B.) 0.50 M HA; 0.50 M A−. C.) 0.10 M HA; 0.10 M A−. D.) 0.90 M HA; 0.10 M A−

Verified Answer :

The pair that results in the most effective buffer is .50 M Ha and .50 M A-.

 

A buffer's capacity
is the pH range where it works as an effective buffer, preventing large changes in pH upon addition of
an acid or base.

 

The correct answer between all
the choices given is the second choice or letter B. I am hoping that this
answer has satisfied your query and it will be able to help you in your
endeavor, and if you would like, feel free to ask another question.

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