This document discusses equilibrium and solubility, including solubility product constants (Ksp), molar solubility, and using Ksp values to determine whether a precipitate will form when solutions are mixed. Key points covered include: - Ksp is the solubility product constant for solutions that can form a solid, and represents the equilibrium between dissolved ions and an undissolved solid. - Molar solubility is the concentration necessary for a solution to become saturated. - Calculations using Ksp values and concentrations of dissolved ions (Q) can determine whether a mixture is unsaturated, saturated, or supersaturated to form a precipitate.