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 [weak acid] = [conjugate base] c) An effective buffer has very small absolute concentrations of weak acid and conjugate base. d) A buffer cannot 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 [weak acid] = [conjugate base]

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

d) A buffer cannot 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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