0730. Решение задачки по химии

20. When two white powders are mixed, they react completely under low heating, forming a mixture of three gases A, B and C in a volume ratio of 1:1:2 and with a relative density of hydrogen of 52, 16 and 65.6, respectively. Gases B and C are simple substances that make up air. Gas A is a binary compound containing fluorine. Decipher all the substances and write the equations for the described reaction.

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