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.

Chemical Formula Balancer

P/G 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
1
1
H
            
2
He
2
3
Li
4
Be
                    
5
B
6
C
7
N
8
O
9
F
10
Ne
3
11
Na
12
Mg
                    
13
Ai
14
Si
15
P
16
S
17
Cl
18
Ar
4
19
K
20
Ca
21
Sc
22
Ti
23
V
24
Cr
25
Mn
26
Fe
27
Co
28
Ni
29
Cu
30
Zn
31
Ga
32
Ge
33
As
34
Se
35
Br
36
Kr
5
37
Rb
38
Sr
39
Y
40
Zr
41
Nb
42
Mo
43
Tc
44
Rf
45
Rh
46
Pd
47
Ag
48
Cd
49
In
50
Sn
51
Sb
52
Cb
53
I
54
Xe
6
55
Cs
56
Ba
57
-71
72
Hf
73
Ta
74
W
75
Re
76
Os
77
Ir
78
Pt
79
Au
80
Hg
81
Ti
82
Pb
83
Bi
84
Po
85
At
86
Rn
7
87
Fr
88
Ra
89-
103
104
Rf
105
Db
106
Sg
107
Bh
108
Hs
109
Mt
110
Ds
111
Rg
112
Cn
113
Uut
114
Uuq
115
Uup
116
Uuh
117
Uus
118
Uuo
Lanthanide
57
La
58
Ce
59
Pr
60
Nd
61
Pm
62
Sm
63
Eu
64
Gd
65
Tb
66
Dy
67
Ho
68
Er
69
Tm
70
yb
71
Lu
Actinide
89
Ac
90
Th
91
Pa
92
U
93
Np
94
Pu
95
Am
96
Cm
97
Bk
98
Cf
99
Es
100
Em
101
Md
102
No
103
Lr
 
[Chemical Equations Examples: H2 + O2 = H2O
Na2 + Cl2 = NaCl]

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.

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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. 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 equations must be balanced with respect to all atoms and the atoms must exist in real compounds.

Example:

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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