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beletska

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уравнение реакции горения силана...
Answer
Zno + ... = na2zno2 + h2o... + na2o = na2zno2...
Answer
K2so4 + ... = baso4 + ... ... + 2h3po4 = ca3(po4)2 + ...zn + ... = zncl2 + ......
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