AP Chemistry Unit 8 Practice Test 2026 Acids And Bases

When an equal number of moles of each pair is mixed to make an aqueous solution, which of these solutions can be called a buffer?

At points 2, 3, 4, and 5 NaHCO 3 by neutralizing H 2 CO3 with NaOH LiHCO 3 and K2CO 3 Fe 3+

LiHCO 3 and K2CO 3

Correct answer: LiHCO 3 and K2CO 3

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