In addition to OH, what species are present in the solution during section III of the graph?-

H2CO3, HCO3-, and CO32-

H2CO3 and HCO3-

HCO3- and CO32-

H2CO3 and CO32-

Chemistry

College Board

Exam No：AP Chemistry Problem Set 3 Year：2024 Question No：APChemistry2024AP0098

Answer:

8.1 Introduction to Acids and Bases

8.10 Buffer Capacity

8.11 pH and Solubility

8.2 pH and pOH of Strong Acids and Bases

8.3 Weak Acid and Base Equilibria

8.4 Acid-Base Reactions and Buffers

8.5 Acid-Base Titrations

8.6 Molecular Structure of Acids and Bases

8.7 pH and pK

8.8 Properties of Buffers

8.9 Henderson-Hasselbalch Equation

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