Balance equations and unlock the next level
Algebraic derivation with step-by-step matrix reduction
Auto-balance with H₂O, H⁺/OH⁻, and electrons — oxidation states annotated
Auto-split into half-reactions, cancel electrons, and combine
Algebraic decomposition — find the exact oxidation number of any element
Mix two ions — get the precipitate, colour, and dissolution behaviour!
Select the ions present in solution to predict the expected colour.
Random questions — balance the coefficients and build mastery
Press Enter to verify · Tab between boxes