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Balance Chemical Equation - Online Balancer

Balanced equation:
Mg + 2 HCl = H2 + MgCl2

Reaction type: single replacement
Reaction stoichiometryLimiting reagent
CompoundCoefficientMolar MassMolesWeight
Units: molar mass - g/mol, weight - g.
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 Instructions on balancing chemical equations:
  • Enter an equation of a chemical reaction and click 'Balance'. The answer will appear below
  • Always use the upper case for the first character in the element name and the lower case for the second character. Examples: Fe, Au, Co, Br, C, O, N, F.     Compare: Co - cobalt and CO - carbon monoxide
  • To enter an electron into a chemical equation use {-} or e
  • To enter an ion specify charge after the compound in curly brackets: {+3} or {3+} or {3}.
    Example: Fe{3+} + I{-} = Fe{2+} + I2
  • Substitute immutable groups in chemical compounds to avoid ambiguity.
    For instance equation C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced,
    but PhC2H5 + O2 = PhOH + CO2 + H2O will
  • Compound states [like (s) (aq) or (g)] are not required.
  • If you do not know what products are enter reagents only and click 'Balance'. In many cases a complete equation will be suggested.
  • Reaction stoichiometry could be computed for a balanced equation. Enter either the number of moles or weight for one of the compounds to compute the rest.
  • Limiting reagent can be computed for a balanced equation by entering the number of moles or weight for all reagents.
 Examples of complete chemical equations to balance:  Examples of the chemical equations reagents (a complete equation will be suggested):  Give us feedback about your experience with chemical equation balancer.

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