July 2023 1 8 Report
РОЗВ ЯЗАТИ ЛАНЦЮЖКИ ПЕРЕТВОРЕНЬ Н2S→SO2→SO3→H2SO4 H2O2→O2→H2O→O2→AL2O3 KCIO3→O2→CaO→Ca(OH)2 X→t→O2→P2O5→Y KMnO4→O2→H2O→KON​
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