Images P2O5 H3PO4

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P2o5 h3po4. P2o5 h20 h3po4. Na2o+h2 нагревание. H20 h2+o2. Na3po4 h3po4.
P2o5 h20 h3po4. Na2o+h2 нагревание. H20 h2+o2. Na3po4 h3po4.

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