2K2CrO4+BaNO32=BaCrO4(осадок)+2KNO3
2CH3COOK + H2SO4 = K2SO4+2CH3COOH
HgNO32+H2S=HgS(осадок)+2HNO3
NaHCO3+NaOH=Na2CO3+H2O
2NaOH + Zn(OH)2 = Na2[Zn(OH)4]
2K2CrO4+BaNO32=BaCrO4(осадок)+2KNO3
2CH3COOK + H2SO4 = K2SO4+2CH3COOH
HgNO32+H2S=HgS(осадок)+2HNO3
NaHCO3+NaOH=Na2CO3+H2O
2NaOH + Zn(OH)2 = Na2[Zn(OH)4]