Limiting Reagent Na2S2O4 + NaOH + O2 = Na2SO4 + H2O

Compound Coefficient Molar Mass Moles (g/mol) Weight (g)
Reactants
Na2S2O4 2 174.10713856
NaOH 4 39.99710928
O2 3 31.9988
Products
Na2SO4 4 142.04213856
H2O 2 18.01528

Instructions

To calculate the limiting reagent, enter an equation of a chemical reaction and press the Start button. The reactants and products, along with their coefficients will appear above.

Enter any known value for each reactant. The limiting reagent will be highlighted.

  • 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 [].

How To Calculate Limiting Reagents

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