Question

1. why should we balance a chemical equation
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Answer 1

Explanation:

According to law of conservation of mass, when a chemical reaction occurs, the mass of the products should be equal to mass of the reactants. Therefore, the amount of the atoms in each element does not change in the chemical reaction. As a result chemical equation needs to be balanced.

Answer 2

Answer:

Chemical equations should be balanced because the law of conservation of mass states that energy or mass can neither be created nor be destroyed..... So to fulfill this law, the equation is balanced............ and no extra mass is provided on any side i.e. reactants and products

Hope this helps u...........