Answers

2015-05-28T13:10:55+05:30
It is necessary to balance a chemical equation because there must the equal number of atoms on both the sides of an equation according to the law of conservation of mass.
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2015-05-28T13:30:39+05:30
Law of Conservation of mass states that mass can neither be created nor be destroyed. So, we need to balance the equation so that the number or moles of atoms remains balanced on both reactant and product sides.
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