Solubility Constant; The Equilibrium Expression Ksp
The equilibrium expression, Ksp, is a ratio of products over reactants and can be written as…
Sabina Cabrera
Oxidation Number
The oxidation number is the effective charge on an atom in a compound; the oxidation number is…
Metric Units Commonly Used in the Context of Chemistry
Important units used in the context of chemistry, especially stoichiometry, are grams, moles, liters, centimeters,…
Common Ion Effect and Its Use in Laboratory Separations
The common ion effect is the decrease in solubility (ability to be dissolved) of a…
Molecular Weight
The molecular weight of a total mass of atoms in a molecule, represented by grams…
Density
The density of an object represents its “compactness”, or mass per given volume of a…
Solubility Units of Concentration
In chemistry, the concentration of a solution is often measured in molarity (M), which is…
Empirical versus Molecular Formula
The molecular formula indicates the actual number of atoms in a compound; The empirical formula indicates…
Mole concept, Avogadro’s number NA
A mole is a unit in chemistry that defines the number of elemental entities in…