Which of these,if dissolved in 1.0 L of pure water,would produce a buffer solution? A)0.1 mol NaCl + 0.1 mol KCl B)0.1 mol H₃O⁺ + 0.1 OH^- C)0.1 mol NaH₂PO₄ + 0.1 mol Na₂HPO₄ D)0.1 mol HCl + 0.1 mol NaOH E)0.1 mol H₃O⁺ + 0.1 mol Cl^-

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A buffer solution requires a weak acid/base and its conjugate base/acid. Option C has both NaHS and Na2HPO4 which can act as a weak acid and its conjugate base respectively. None of the other options have this combination.

Which of These,if Dissolved in 1