September 2021 1 38 Report
Дана схема превращений:
Na −→−+H2O X → Na2SO4 → BaSO4
Напишите молекулярные уравнения реакций, с помощью которых можно осуществить указанные превращения. Для третьего превращения составьте сокращенное ионное уравнение.
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