November 2021 0 12 Report
Из CaO массой 22,4 г получили CaC2, а из него - ацетилен. Ацетилен сожгли и газ (н.у.) пропустили через избыток Ca(OH)2. Найдите массу осадка, если выход на всех стадиях равен по 90 %.
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