Problem: Which of the following is TRUE? A) An effective buffer has a [base]/[acid] ratio in the range of 10 - 100. B) A buffer is most resistant to pH change when [acid] = [conjugate base] C) An effective buffer has very small absolute concentrations of acid and conjugate base. D) A buffer can not be destroyed by adding too much strong base. It can only be  destroyed by adding too much strong acid. E) None of the above are true.  

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Which of the following is TRUE?

A) An effective buffer has a [base]/[acid] ratio in the range of 10 - 100.

B) A buffer is most resistant to pH change when [acid] = [conjugate base]

C) An effective buffer has very small absolute concentrations of acid and conjugate base.

D) A buffer can not be destroyed by adding too much strong base. It can only be  destroyed by adding too much strong acid.

E) None of the above are true.

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