What substance would you add to nahco3 (aq) to form a buffer solution?

Question

Chemistry

Yasmin Larsen

18 May, 10:22

What substance would you add to nahco3 (aq) to form a buffer solution?

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Santos Gentry · Answer 1

Buffer solution is made by mixing a weak acid with its conjugate base or weak base with its conjugate acid. NaHCO₃ (aq) is a conjugate salt and also a conjugate base of H₂CO₃ (aq) acid. Hence H₂CO₃ (aq) should be added to make the buffer solution.