Chemical Equation Balancer H2SeO4 + HCl + Pt = H2(PtCl6) + SeO2 + H2O

Balanced Chemical Equation

2H2SeO4 + 6HCl + Pt = H2(PtCl6) + 2SeO2 + 4H2O

Reaction Information

  • Selenic Acid (H2SeO4)
  • Hydrochloric Acid (HCl)
    Hydrogen Chloride
  • Platinum (Pt)
  • H2(PtCl6)
  • Selenium Dioxide (SeO2)
    Selenium(iv) Oxide
  • Water (H2O)


To balance a chemical equation, enter an equation of a chemical reaction and press the Balance button. The balanced equation will appear above.

  • Use uppercase for the first character in the element and lowercase for the second character. Examples: Fe, Au, Co, Br, C, O, N, F.
  • Ionic charges are not yet supported and will be ignored.
  • Replace immutable groups in compounds to avoid ambiguity. For example, C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced, but XC2H5 + O2 = XOH + CO2 + H2O will.
  • Compound states [like (s) (aq) or (g)] are not required.
  • You can use parenthesis () or brackets [].

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