KOH + H2 . How To Balance This Equation Without Hit And Trial Method

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K + H2O -> KOH + H2 . How to balance this equation without hit and trial method.

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Step-1 balance the metal atoms on both sides.So, in the given equation metal is K and is equal on both sides so no change in the equation.K + H2O → KOH+H2Step-2 Balance the oxygen atom. Oxygen is also the same in both side ,so no change in equationK + H2O → KOH+H2​Step-3 Balance the Hydrogen atoms​K + 2H2O → 2KOH+H2After balancing the Hydrogen atom, the Potassium atom and Oxygen atom get unbalanced, which can be further balanced as;2K + 2H2O → 2KOH+H2

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