Ch.4 - Chemical Quantities & Aqueous ReactionsSee 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: What is the net ionic equation for the reaction of aqueous sodium hydroxide and aqueous cobalt(II) chloride?a. Na+(aq) + OH–(aq) → NaOH(s)b. Na+(aq) + Cl–(aq) → NaCl(s)c. Co2+(aq) + 2 OH–(aq) → Co(OH)2(s)d. Co2+(aq) + OH–(aq) → CoOH+(s)e. Co2+(aq) + 2 Cl–(aq) → CoCl2(s)  

Problem

What is the net ionic equation for the reaction of aqueous sodium hydroxide and aqueous cobalt(II) chloride?

a. Na+(aq) + OH(aq) → NaOH(s)

b. Na+(aq) + Cl(aq) → NaCl(s)

c. Co2+(aq) + 2 OH(aq) → Co(OH)2(s)

d. Co2+(aq) + OH(aq) → CoOH+(s)

e. Co2+(aq) + 2 Cl(aq) → CoCl2(s)