Reaction Stoichiometry Al(OH)3 + CaCO3 = Ca(OH)2 + Al2(CO3)3

Compound Coefficient Molar Mass Moles (g/mol) Weight (g)
Al(OH)3 2 78.0035586
CaCO3 3 100.0869
Ca(OH)2 3 74.09268
Al2(CO3)3 1 233.9897772


To perform a stoichiometric calculation, 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. The remaining values will automatically be calculated.

  • 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 Perform Stochiometric Calculations

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