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svetka1574

Ответ:

Объяснение:

Na2SO4 + BaCl2 = BaSO4 ↓+ 2NaCl

2Na(+) + SO4(2-)+ Ba(2+) + 2Cl(-) = BaSO4↓ + 2Na(+) + 2Cl(-)

Ba(2+) + SO4(2-) = BaSO4↓

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