tarabrett1305 tarabrett1305

04-01-2024
Chemistry

contestada

Which of the following combinations would be the best choice to buffer the pH at about 9?
A) CH₃COOH/NaCH₃COO
B) HCl/NaCl
C) NH₃/NH₄Cl
D) H₂CO₃/NaHCO₃

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