摘要:16.(1)③⑤ (2) (3)①2CH3COOH+CaCO3===2CH3COO-+Ca2++H2O+CO2↑ ②CH3COOH+OH-===CH3COO-+H2O ③CaCO3+2H+===Ca2++H2O+CO2↑ (4)①BaCl2+H2SO4===BaSO4↓+2HCl ②Ba(OH)2+Na2SO4===BaSO4↓+2NaOH ③NaHSO4+BaCl2===BaSO4↓+HCl+NaCl

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