Equilibrium

Formulas are organized based on their importance in the CAT exam.
1 Solubility Product (Ksp)
2 pH of Salt Solution (Weak Acid + Strong Base)
3 Conjugate Pair Relation (Ka·Kb = Kw)
4 Law of Mass Action & Equilibrium Constant (Kc)
5 Acidic Buffer (Henderson-Hasselbalch)
6 Reaction Quotient
7 Kp and Kc Relationship
8 Weak Acid Ionization Constant (Ka)
9 pH and pOH Relationship
10 $$K_{sp}$$ for $$A_{2}B_{3}$$ type salt (e.g.,$$Al_{2}O_{3}$$)
11 Solubility (s) from Ksp for ABâ‚‚ Type Salt
12 Strong Acid + Weak Base Salt
13 Weak Acid + Strong Base Salt
14 Ostwald's Dilution Law (Weak Acid)
15 Simultaneous Solubility of Sparingly Soluble Salt
16 pH of Salt Solution (Strong Acid + Weak Base)
17 Weak Base pOH
18 Ionic Product of Water
19 Polyprotic Weak Acid pH Approximation
20 Weak Base Ionization Constant (Kb)
21 Equilibrium Thermodynamics
22 Equilibrium Constants
23 Common Ion Effect on Solubility
24 Solubility Product ($$K_{sp}$$)
25 Degree of Ionization
26 Precipitation Condition
27 Henderson-Hasselbalch Equation (Acid Buffer)
28 Relation Between $$K_a$$ and $$K_b$$ for Conjugate Pairs
29 $$K_{sp}$$ for AB type salt (e.g., AgCl)
30 $$K_{sp}$$ for $$AB_{2}$$ type salt (e.g., $$CaF_{2}$$)
31 Vapor Density & Degree of Dissociation ($$\alpha$$)
32 Formation Constant (Kf) for Complex
33 pH and pOH Definitions
34 Weak Base pH
35 ICE Table Setup
36 Common Ion Effect on Solubility
37 Basic Buffer (Henderson-Hasselbalch)
38 Relation between Kp and Kc
39 Weak Acid + Weak Base Salt
40 pH of Salt Solution (Weak Acid + Weak Base)
41 Reaction Quotient (Q)