AgNO3+NaCl==AgCl↓+NaNO3BaCl2+Na2SO4==BaSO4↓+2NaClNa2CO3+CaCl2==2NaCl+CaCO3↓BaNO3+NaSO4==BaSO4↓+NaNO32AgNO3+MgCl2==Mg(NO3)2+2AgCl↓K2SO4+BaCl2==BaSO4↓+2KClMgSO4+BaCl2==BaSO4↓+MgCl2Al2(SO4)3+3BaCl...