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| 1) | P4 | + | 5 O2 | => | 2 P2O5 | |
| 2) | P2O5 | + | 3 H2O | => | 2 H3PO4 |
| 3) | 2 Ca3(PO4)2 | + | 6 SiO2 | + | 10 C | => | 6 CaSiO3 | + | 10 CO | + | P4 |
| 4) | 2 KClO3 | => | KClO4 | + | KCl | + | O2 | ||||
| 5) | KClO4 | => | KCl | + | 2 O2 |
| 6) | Dinatriumhydrogenphosphat | Natriumdihydrogenphosphat | Trinatriumphosphat |
| 7) | Ca3(PO4)2 | + | 3 H2SO4 | => | 2 H3PO4 | + | 3 CaSO4 |
| 8) | Ca3(PO4)2 | + | 2 H2SO4 | => | Ca(H2PO4) | + | 2 CaSO4 |
| 9) | 2 NH3 | + | H3PO4 | => | (NH4)2HPO4 | ||
| 10) | H3PO4 | + | H3PO4 | => | H2O | + | H4P2O7 |
| 11) | 6 Ca(OH)2 | + | 2 H3PO4 | => | 6 H2O | + | 2 Ca3(PO4)2 |
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