Is the equation Mg+HCl - MgCl2+H2 balanced or not?


The representation of a chemical reaction in the form of symbols is known as chemical equation. A chemical equation consists of reactants, products and an arrow showing the direction of reaction. The equation in which the number of atoms of all the molecules is equal on both sides of the equation is known as the balanced chemical equation.

Balancing the given equation

The given equation

Mg + HCl – MgCl+ H2

There are 6 hydrogen atoms on the reactant side while only 2 hydrogen atoms on the product side. To balance the hydrogen atoms, 3 should be written as a co-efficient of the hydrogen atoms present on the product side. To balance the equation, place whole numbers ahead of the formulas to have the same number of all elements on each side.

Mg + 2HCl → MgCl2 + H2

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