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Chemical Equation Balancer

Balance chemical equations by adjusting coefficients with step-by-step explanation.

Chemical Equation
Use -> or = to separate reactants and products. Separate compounds with +.
Balanced Equation
2H2 + O2 -> 2H2O
Verification (atom count per side)
HLeft: 4 | Right: 4 Balanced
OLeft: 2 | Right: 2 Balanced
Example Equations
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About Chemical Equation Balancer

Balance chemical equations automatically, finding the smallest whole-number coefficients that conserve every element. Useful for chemistry homework and lab prep.

How to use

  1. Enter the unbalanced equation (e.g. H2 + O2 = H2O).
  2. Balance it to get the correct coefficients.
  3. Read the balanced equation.

Frequently asked questions

How does balancing work?
It solves for coefficients that make the count of each element equal on both sides, then reduces to whole numbers.
Can it balance ionic equations?
It focuses on element balancing; for ionic equations you may also need to balance charge.