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Homework Help: Precipitation Reaction

  1. Oct 18, 2005 #1
    The mixing of which pair of reactants will form in a precipitation reaction?

    1) HCl + Ca(OH)2
    2) K2SO4 + Ba(NO3)2
    3) NaNO3 + NH4
    4) CsI + NaOH

    It is 2 because BaSO4 is insoluble?
  2. jcsd
  3. Oct 18, 2005 #2
    Yes, BaSO4 is insoluble which means it is a precipitate
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