Question 4

What is a balanced chemical equation? Why should chemical equations be balanced?


A balanced chemical equation is an equation in which the number of each element are equal on the reactant side as well as in product side.

for example:                  BaCl2  +  K2SO4  →   BaSO4   +   2KCl
                                         reactant side               product side

Chemical equation should be balanced because only a balanced equation tells us the relative quantities of different reactants and product involved in the reaction.

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