Wednesday, August 24, 2011

Analytical Chemistry (Lab)





Analytical Chemistry (Lab)
·    Qualitative
·    Quantitative
Quantitative
·    Volumetric
·    Gravimetric
·    Instrumental 

·    1 Mole of NaCl : Avogadro number of NaCl molecule

·    1 equiv. = (Mole / n)
Equivalent
·    In case of Acid : No of protons
·    In case of Base : No of Hydroxide groups
·    In case of salt: n = No of cations. its Valence
·    In case of Oxidant : n = no of electrons gained by 1 molecule of the oxidant

v         Molecular Weight : The weight of 1 mole
v         Equivalent Weight : The weight of 1 equivalent 
·    You should differentiate between
1)         Liquid
2)         Solution
3)         Mixture

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