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Guidelines for Balancing Chemical Equations. Also see pg. 197-206 in textbook. Write proper chemical formulas for reactants and products Add coefficients to change # of atoms, but do not change subscripts Keep polyatomic ions together if they appear on both sides of the equations

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guidelines for balancing chemical equations

Guidelines for Balancing Chemical Equations

Also see pg. 197-206 in textbook

slide2
Write proper chemical formulas for reactants and products
  • Add coefficients to change # of atoms, but do not change subscripts
  • Keep polyatomic ions together if they appear on both sides of the equations
  • Balance single elements (like H2, O2 or metals) last
  • Check that each element is balanced
  • Be sure that coefficients are in the lowest whole number ratio possible
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