Напишите уравнения химических реакций,с которых можно осуществить следующие превращения: а) Ba→BaO→Ba(OH)2→BaCl2 б) CaO→Ca(OH)2→CaSO4

Катер007 Катер007    1   17.04.2019 05:00    2

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Leg1oner Leg1oner  05.06.2020 00:50
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