March 2022 0 3 Report
Завдання на закріплення матеріалу. 1. Вставте замість пропусків формули речовин і (якщо потрібно) коефіцієнти:



а) 4P + 3O2 = ....

б) 2Al + ... = Al2S3;

в) ... + Cl2 = 2NaCl;

г) 3K + .... = K3P;

е) C + 2S = ....​
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