Balancing Chemical Equations Calculator

A chemical equation is the representation of the chemical reactions. The LHS consists of the reactants and the RHS consists of the products. Balancing chemical equation is the process of equalising the number of each element in the reactants to the products. Enter the equation directly into the Balancing Chemical Equations Calculator to balance the given chemical equations. You can also enter the equations by clicking the elements in the table given in the chemical equation balancer.

Chemical Formula Balancer

[Chemical Equations Examples: H2 + O2 = H2O
Na2 + Cl2 = NaCl]
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Based on the law of conservation of mass, the mass of the product should be equal to mass of the reactant. Balancing any chemical equations is made simple with this chemical formula balancer alias calculator.


Consider an equation N2 + H2 = NH3

Step 1 :

Compare the elements in LHS and RHS

Element LHS RHS
N 2 1
H 2 3

Step 2 :

To balance, add 2 to the RHS,
Equation : N2 + H2 = 2NH3

Element LHS RHS
N 2 2
H 2 6

Step 3 :

Add 3 to H in LHS,
Equation : N2 + 3H2 = 2NH3

Element LHS RHS
N 2 2
H 6 6

Hence it is balanced.

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