Images PH3 O2 P

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Ph3 o2 p. Na3p ph3. Ca3(po4)2-p-p2o3-p2o3-p3o5-h3po4. P2o5-h3po4 цепочка.
Na3p ph3. Ca3(po4)2-p-p2o3-p2o3-p3o5-h3po4. P2o5-h3po4 цепочка.

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