P→ca3p2→ph3→p2o5→h3po4→ca3(po4)2→p2o5 решите - вопрос №31610429 от Холзи14 07.10.2019 13:30

Question

Химия: P→ca3p2→ph3→p2o5→h3po4→ca3(po4)2→p2o5 решите

Холзи14 · Answer

P- Ca3P2- PH3- P2O5- H3PO4- Ca3(PO4)2- P2O53 Ca+2 P = Ca3P2Ca3P2+ 6 H2O = 3 Ca(OH)2+2 PH32 PH3+ 4 O2 = P2O5+3 H2OP2O5+ 3 H2O = 2 H3PO42 H3PO4 + 3 CaO = Ca3(PO4)2 + 3 H2OCa3(PO4)2 + 3 H2O = P2O5 + 3 Ca(OH)2...