Write the equations for the following transformations: KOH-K2SO4-KOH-KCl-KNO3.

2KOH + H2SO4 = K2SO4 + 2H2O.
K2SO4 + Ba (OH) 2 = 2KOH + BaSO4 (precipitate).
KOH + HCl = KCl + H2O.
KCl + AgNO3 = KNO3 + AgCl (sediment).



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