Images CAC2 C2H2

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Cac2 c2h2. H20 h2+o2. Cac2+h2o уравнение. C2h2+CA. Cac2 2h2o CA Oh 2 c2h2.
H20 h2+o2. Cac2+h2o уравнение. C2h2+CA. Cac2 2h2o CA Oh 2 c2h2.

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