Ch.15 - Acid and Base EquilibriumWorksheetSee all chapters
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Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: Use the acid-dissociation constants in the following table to arrange these oxyanions from strongest base to weakest. Name Formula

Problem

Use the acid-dissociation constants in the following table to arrange these oxyanions from strongest base to weakest.

Name Formula Ka1 Ka2 Ka3
Ascorbic H2C6H6O6 8.0 10-5 1.6 10-12
Carbonic H2CO3 4.3 10-7 5.6 10-11
Citric H3C6H5O7 7.4 10-4 1.7 10-5 4.0 10-7
Oxalic H2C2O4 5.9 10-2 6.4 10-5
Phosphoric H3PO4 7.5 10-3 6.2 10-8 4.2 10-13
Sulfurous H2SO3 1.7 10-2 6.4 10-8
Sulfuric H2SO4 Large 1.2 10-2
Tartaric H2C4H4O6 1.0 10-3 4.6 10-5