Ответ: 1) 2 NaOH + H2SO4 → 2 H2O + Na2SO4 2) SO3 + 2 KOH → H2O + K2SO4 3)BaCl2 + Na2SO4 → 2 NaCl + BaSO4
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Ответ: 1) 2 NaOH + H2SO4 → 2 H2O + Na2SO4 2) SO3 + 2 KOH → H2O + K2SO4 3)BaCl2 + Na2SO4 → 2 NaCl + BaSO4