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`        plz tell me what is this poac method... & how to use it`
6 years ago

Gaurav
164 Points
```										Principle of atom conservation (POAC) :This principle is based on the conservation of mole of atom or mass of atom or number of atom. This method does not depend on the stochiometric coefficient. Balancing of equations are not required for this method.For example:KClO3→ KCl + O2a) Firstly , we will do the conservation of K atom :Total mol of K atom in KClO3 is equal to the total mol of K atom in KCl1×number of mol of KClO3= 1×number of mol of KClb) Now , we will do the conservation of Cl atom:Total mol of Cl in KClO3is equal to the total mol of Cl in KCl1×number of mol of KClO3= 1×number of mol of KClc) Conservation of oxygen atom :Total mol of oxygen atom in KClO3is equal to the total mol of oxygen atom in O23×number of mol of KClO3= 2×number of mol of O2This principle can be explained with an example :If we have to calculate the weight of O2produced when 12.25 g of KClO3is heated.Then , according to this method conservation of oxygen atom will be :3×number of mol of KClO3= 2×number of mol of O23×12.2512.25= 2×weightofO232Weight of O2= 4.8 g
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2 years ago
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