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18. Aqueous Equilibrium - 3! 1부
18. Aqueous Equilibrium / Intro to Buffers / 문제 3
문제 3

The following diagram represents four different solutions that may contain any of these four species in varying concentrations: H2A, KHA, and K2A.
Diagram showing four solutions labeled A, B, C, D with species H2A, HA-, A2- for buffer identification.K+ ions are not shown for clarity. Identify which of these solutions is a buffer.