The mole , Mass of substance & Avogadro’s number
The mole Mole is the unit of the quality of matter in the International System of Units ( SI ) and it is defined by different ways according to the mole and mass of...
Tagged: Molecular formulas
Chemical equation & Ionic equation for some physical processes and chemical reactions
Chemical equation It is a group of chemical symbols and formulas of the reactants and products which are connected by an arrow that expresses the direction of this reaction and carries its conditions ,...