CHAPTER 2 ATOMS , MOLECULES AND STOICHIOMETRY SEM 1





Avogadro constant and calculations 

using mole:


























           

        Moles of molecules and compounds ;  

 

    Relative  formula mass or Relative 

 

    Molecular  mass.








 



















 




NUMBER OF MOLES


 





 



http://image.slidesharecdn.com/themole-130328201230-phpapp02/95/the-mole-10-638.jpg?cb=1364501590



http://image.slidesharecdn.com/themole-130328201230-phpapp02/95/the-mole-11-638.jpg?cb=1364501590
MOLES IN CHEMICAL EQUATIONS

















   


MOLES OF GASES        
























Write the balanced chemical equation.

 



















Image result for concentration of solutions











 





























. 

crucible.



Heating of Mg ribbon.


weighing of crucible.






PRACTICALS

TO PREPARE A STANDARD SOLUTION.


TITRATION




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