you-need-a-buffer-solution-that-has-ph-9-5-which-of-the-following-buffer-systems

Question

For a buffer of pH 9.5, which of the following weak acid-conjugate base mixtures would you choose? Explain your choice.

a) CH₃COOH and NaCH₃COO

b) NH₄Cl and NH₃

c) HCOOH and NaHCOO

Accepted Answer

NH₄Cl and NH₃

Answer

CH₃COOH and NaCH₃COO

Answer

HCOOH and NaHCOO

For a buffer of pH 9.5, which of the following weak acid-conjugate base mixtures would you choose? Explain your choice.a) CH3COOH and NaCH3COOb) NH4Cl and NH3c) HCOOH and NaHCOO