Where I'll Dropped Dead.

Weakness:
1)Chemical Calculations:
-Mole Concept
-Using Chemical equations
-Calulating the volumes of reacting gases.
-Limiting Reactants
-Molar solutions.
2)Balancing Equations.
3)Chemical Analysis
4)Organic Chemistry
-Carboxylic Acids
-Macromolecules.
5)Acids,Bases and Salts.
-Preparation of Salts.