Category: Solution Basics

Normality

Normality is more relevant than molarity when expressing concentration of acids and bases as it also accounts for concentrations of…

Gram Equivalent

The Gram equivalent (or equivalent weight) can be defined as the mass of an element that combines with or displaces…

Molecular Weight and Equivalent Weight of Common Acids and Bases

Chemical name Formula Number of dissociable H+/OH— (valence) in solution Molar mass (= weight weight) g/mol Equivalent weight (g/eq) Hydrochloric…

Water (H20)

Molecular formula H2O CAS Number 7732-18-5 EC Number 231-791-2 PubChem Substance ID 329798917 MDL number MFCD00011332 Molecular (Formula) weight  18.02…

Molarity

Solute concentration in a solution can be expressed in many ways. Molarity is the most commonly used unit to express…

Mole (Unit)

The mole is a base unit of the International System of Units (SI) for the amount of a substance. Mole…

Concentrations of Solutions

With some exceptions, the composition of most solutions used in laboratories is defined in terms of concentration. Concentration is a…