Reactions in Solution: Metathesis
metathesis: ions change partners
possible products must include:
- an insoluble salt, or
- a weak electrolyte or nonelectrolyte
2 NaCl(aq) + Hg2(NO3)2(aq) = Hg2Cl2(s) + 2 NaNO3(aq)
H2SO4(aq) + 2 NaOH(aq) = 2 H2O(l) + Na2SO4(aq)
NaCl(aq) + KNO2(aq) = KCl(aq) + NaNO2(aq)