Nature of Matter


   
 
Molar Volume
 
        Molar volume of gas visualized
 
The molar volume [22.4L at STP] plays a vital role in stoichiometric calculations because it is the link between volume and mass in reactions involving gases.
 
A mole is a basic unit of the amount or quantity of a substance. It may be atoms, molecules, ions or group of ions.
 
Applications of Avogadro's law
Determination of the molecular formula of a gas.
 
Determination of the atomicity of the gas.
 
Determination of the molecular weight and vapor density.
 
Explains relationship between gram molecular weight and gram molecular volume.
 
 
     
   
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