Chemical Equation Balancer

Use the Calculator Below to Balance Chemical Equations

Enter Chemical Equation:

Examples of Equations you can enter:

KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2
KMnO4 + (HO2C)2= CO2 + H2O + KMn(OH)2
MnO4- + H2C2O4 + H+ = Mn++ + CO2 + H2O
Al + I2 = Al+++ + I-
H+Cr2O7--=Cr+H2O+e
H2SO4(aq) + V2O3(s) = V2(SO4)3 + H2O
Bi(NO3)3*5H2O+H2O2+RuCl3+NaOH=Bi2Ru2O7+NaNO3+NaCl+H2O

Click here to see an interactive Periodic Table of the Elements.

Recently Entered Equations:

Input Equation	Balanced Equation
Er2O3+NH4Cl=(NH4)3ErCl6+H2O+NH3	Er2O3 + 12NH4Cl = 2(NH4)3ErCl6 + 3H2O + 6NH3
Eu(s)+HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu + HF = EuF3 + H2	2Eu + 6HF = 2EuF3 + 3H2
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu + HF = EuF3 + H2	2Eu + 6HF = 2EuF3 + 3H2
Eu(s)+HF(g)=EuF3(s)+H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu + HF = EuF3 + H2	2Eu + 6HF = 2EuF3 + 3H2
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
e- + H+ + Na2O2 = NaOH	e- + 2H+ + Na2O2 = 2NaOH
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
e- + Mn++ + MnO4- = MnO2	e- + 2Mn++ + 2MnO4- = 4MnO2
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
En = En	En = En
e + H2SO4 + H+ = H2O + SO2	2e + H2SO4 + 2H+ = 2H2O + SO2
e + Al = Al+++	-3e + Al = Al+++
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g)= EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s)+HF(g)=EuF3(s)+H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g)=EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu + HF = EuF3 + H2	2Eu + 6HF = 2EuF3 + 3H2
Eu(s) + HF(g) =EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
e+NO2- +5H2O=NH3 +7OH-	6e + NO2- + 5H2O = NH3 + 7OH-
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu + HF = EuF3 + H2	2Eu + 6HF = 2EuF3 + 3H2
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
E = E	E = E
e+ H3AsO4 + SbO+ + H2O = H3AsO3 + Sb2O5	2e + 3H3AsO4 + 2SbO+ + 0H2O = 3H3AsO3 + Sb2O5
e+ H3AsO4 + SbO+ H2O = H3AsO3 + Sb2O5	0e + 3H3AsO4 + 2SbO + 0H2O = 3H3AsO3 + Sb2O5
Eu + HF = EuF3 + H2	2Eu + 6HF = 2EuF3 + 3H2
Eu(s) + HF(g)=EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g)= EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) =EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
ECl2 + Fe = FeCl2 + E2	2ECl2 + 2Fe = 2FeCl2 + E2
ECl + Fe = FeCl2 + E2	2ECl + Fe = FeCl2 + E2
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu + HF = EuF3 + H2	2Eu + 6HF = 2EuF3 + 3H2
Eu+HF=EuF3+H2	2Eu + 6HF = 2EuF3 + 3H2
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu + HF = EuF3 + H2	2Eu + 6HF = 2EuF3 + 3H2
Eu + HF = EuF3 + H2	2Eu + 6HF = 2EuF3 + 3H2
Eu + HF = EuF3 + H2	2Eu + 6HF = 2EuF3 + 3H2
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu+HF=EuF3+H2	2Eu + 6HF = 2EuF3 + 3H2
Eu + HF = EuF3 + H2	2Eu + 6HF = 2EuF3 + 3H2
Eu(s) + HF(g)= EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu+HF=EuF3+ H2	2Eu + 6HF = 2EuF3 + 3H2
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + 12HF(g) =13EuF3(s) + 14H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu+HF=EuF3+H2	2Eu + 6HF = 2EuF3 + 3H2
Eu(s)+HF(g)=EuF3(s)+H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu+ HF = EuF3+ H2	2Eu + 6HF = 2EuF3 + 3H2
Eu+ 12HF = 13EuF3+ 14H2	2Eu + 6HF = 2EuF3 + 3H2
Eu + HF= EuF3 + H2	2Eu + 6HF = 2EuF3 + 3H2
Eu+HF=EuF3+H2	2Eu + 6HF = 2EuF3 + 3H2
e+I- = I3-	-2e + 3I- = I3-
Eu(s) + 12HF(g)=13EuF3(s) + 14H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu + HF = EuF3 + H2	2Eu + 6HF = 2EuF3 + 3H2
Eu + HF = EuF3 + H2	2Eu + 6HF = 2EuF3 + 3H2
Eu+HF=EuF3+H2	2Eu + 6HF = 2EuF3 + 3H2
Eu + HF = EuF3 + H2	2Eu + 6HF = 2EuF3 + 3H2
e + H+ + IO3- = I3- + H2O	16e + 18H+ + 3IO3- = I3- + 9H2O
e + H + NO2- = NH3 + H2O	-1e + 7H + NO2- = NH3 + 2H2O
e + H + NO2 = NH3 + H2O	0e + 7H + NO2 = NH3 + 2H2O
e + H2O + Cr(OH)3 = CrO4--+H	2e + H2O + Cr(OH)3 = CrO4-- + 5H
e + H + Cr(OH)3 = CrO4--+H2O	-2e + 5H - Cr(OH)3 = -1CrO4-- + H2O
e + H2O + Cr(OH)3 = CrO4--+H	2e + H2O + Cr(OH)3 = CrO4-- + 5H
e + H2O + Cr(OH)3 = CrO4 +H	0e + H2O + Cr(OH)3 = CrO4 + 5H
Eu + HF = EuF3 + H2	2Eu + 6HF = 2EuF3 + 3H2
Eu(s) + 12HF(g) = 13EuF3(s) + 14H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu + HF = EuF3 + H2	2Eu + 6HF = 2EuF3 + 3H2
Eu + HF = EuF3 + H2	2Eu + 6HF = 2EuF3 + 3H2
Eu(s) + 12HF(g) = 13EuF3(s) + 14H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
EfJbJbEjWkT = EfJbJbEjWkT	EfJbJbEjWkT = EfJbJbEjWkT
Eu + HF = EuF3 + H2	2Eu + 6HF = 2EuF3 + 3H2
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu + HF = EuF3 + H2	2Eu + 6HF = 2EuF3 + 3H2
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu + HF = EuF3 + H2	2Eu + 6HF = 2EuF3 + 3H2
EF2=E+F	EF2 = E + 2F
EF=E+F	EF = E + F
Eu + HF = EuF3 + H2	2Eu + 6HF = 2EuF3 + 3H2
Eu+HF = EuF3+H2	2Eu + 6HF = 2EuF3 + 3H2
Eu(s)+HF(g)=EuF3(s)+H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu+HF=EuF3+H2	2Eu + 6HF = 2EuF3 + 3H2
e- + H3O + MnO4- = Mn++ + H2O	-3e- + 16H3O + 2MnO4- = 2Mn++ + 24H2O
e- + H3O + MnO4- = Mn++ H2O	-1e- + 8H3O + MnO4- = Mn+ + 12H2O
Eu + HF = EuF3 + H2	2Eu + 6HF = 2EuF3 + 3H2
EfJbJbEjWkT = EfJbJbEjWkT	EfJbJbEjWkT = EfJbJbEjWkT
Eu + HF = EuF3 + H2	2Eu + 6HF = 2EuF3 + 3H2
Eu+HF=EuF3+H2	2Eu + 6HF = 2EuF3 + 3H2
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
ErCl3 + O2 = Er2O3 + Cl2	4ErCl3 + 3O2 = 2Er2O3 + 6Cl2
e- + H+ + KMnO4 = MnO3 + K+ = H2O	e- + 4H+ + 2KMnO4 = 2MnO3 + 2K+ + 2H2O
E- + CrO7++ + H2O + C2H5OH = Cr+++ + HCH3O2 + E+	E- - 2CrO7++ - 7H2O - 7C2H5OH = -2Cr+++ - 14HCH3O2 + E+
e+H2O2=H2O+O2	0e + 2H2O2 = 2H2O + O2
e + H+ + IO3- = I3- + H2O	16e + 18H+ + 3IO3- = I3- + 9H2O
e + H+ + HOI = I3- +H2O	4e + 3H+ + 3HOI = I3- + 3H2O
e + H+ + HOI = I--- +H2O	4e + H+ + HOI = I--- + H2O
e + H+ + IO3- = HOI + H2O	4e + 5H+ + IO3- = HOI + 2H2O
e- + SO42- + H+ = H2O + S2-	167e- + 4SO42- + 336H+ = 168H2O + 2S2-
e- + SO42- + H+ = H2O + S2-	167e- + 4SO42- + 336H+ = 168H2O + 2S2-
Eu + HF = EuF3 +H2	2Eu + 6HF = 2EuF3 + 3H2
Eu2O3 + La = Eu + La2O3	Eu2O3 + 2La = 2Eu + La2O3
Eu + HF = EuF3 + H2	2Eu + 6HF = 2EuF3 + 3H2
Eu(s) + HF(g) = EuF3(s) + H2(g)	2Eu(s) + 6HF(g) = 2EuF3(s) + 3H2(g)
Eu3+ + Zn = Eu + Zn	0Eu3+ + Zn = 0Eu + Zn
Eu + HF = EuF3 + H2	2Eu + 6HF = 2EuF3 + 3H2
Eu + HF = EuF3 + H2	2Eu + 6HF = 2EuF3 + 3H2

This program was created with a lot of help from:

The book "Parsing Techniques - A Practical Guide" (IMHO, one of the best computer science books ever written.)
The Gold Parsing System (Hats off! What a great software product!)
The Calitha - GOLD engine (c#) (Made it possible for me to do this program in C#)

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