DerikF8568 DerikF8568
  • 17-01-2024
  • Chemistry
contestada

Which of the following will give a buffer with a pH close to 6.40 when the acid and conjugate base have the same molar concentration?
1) HClO₄ and NaClO₄
2) HNO₃ and NaNO₃
3) HCl and NaCl
4) H₂SO₄ and Na₂SO₄

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