Ch.15 - Acid and Base EquilibriumWorksheetSee all chapters
All Chapters
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: Which of the following reaction corresponds to K a (HNO2): A) HNO2(aq) + H2O(l) ⇄ H2NO2 (aq) + OH− (aq) B) HNO2(aq) + H2O(l) ⇄ H3O(aq) + NO2 (aq) C) HNO2(aq) + H2O(l) ⇄ H3O+ (aq) + NO2− (aq) D) 3 

Problem

Which of the following reaction corresponds to K a (HNO2):

A) HNO2(aq) + H2O(l) ⇄ H2NO2 (aq) + OH (aq)

B) HNO2(aq) + H2O(l) ⇄ H3O(aq) + NO2 (aq)

C) HNO2(aq) + H2O(l) ⇄ H3O+ (aq) + NO2 (aq)

D) 3 HNO2(aq) ⇄ H3O+ (aq) + 3 NO (aq)

E) HNO2(aq) + H2O(l)) ⇄ H3O (aq) + NO2+ (aq)