Images P2O5 H3PO4

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P2o5 h3po4. Nahco3 CA Oh 2. CA+2h2o CA Oh 2+h2. Cao+h2o Тэд. Caoh2 h2.
Nahco3 CA Oh 2. CA+2h2o CA Oh 2+h2. Cao+h2o Тэд. Caoh2 h2.

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