A solution whose concentration is known precisely

The relative atomic mass of water is

Hydrated Copper sulphate crystal is

Elements combined in fixed amounts the form

The molecular formula of phosphorous oxide in

The mass of on mole of carbon atom

The average mass of the naturally occurring atoms of the element, using a scale where an atom of carbon-12 has a mass of exactly 12

The substance which is in layer quantity in a solution is called

The amount of substance produced in an electrons reaction depends firstly on

The relative atomic mass (Ar) of chlorine is