angelicaramos7692 angelicaramos7692 26-04-2024 Chemistry Answered Which of the following conjugate acid/base pair cannot be a buffer? 1) HCl/Cl⁻ 2) HCHO2H/HCHO²⁻ (formic acid/formate) 3) NH4/NH₃ 4) HNO₂/NO₂⁻ 5) HF/F-