Images CAC2 C2H2

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Cac2 c2h2. Из cac2 получить c2h2. Cac2 + h2o = c2h2. Cac2 2h2o CA Oh 2 c2h2.
Из cac2 получить c2h2. Cac2 + h2o = c2h2. Cac2 2h2o CA Oh 2 c2h2.

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