P— p2o5– h3po4– —ca3(po4)2 —ca(oh)2 —cao —ca - вопрос №253434221337205 от ксю1239 22.06.2020 03:37

Question

Химия: P— p2o5– h3po4– —ca3(po4)2 —ca(oh)2 —cao —ca

ксю1239 · Answer

4P + 5O2 = 2P2O5P2O5 + 3H2O = 2H3PO43Ca(OH)2 + 2H3PO4 = Ca3(PO4)2 + 6H2OCa3(PO4)2 + 6HCl = 3CaCl2 + 2H3PO4CaCl2 + 2NaOH = Ca(OH)2 + 2NaClCa(OH)2 (t)= CaO + H2OCaO + H2 (t)= Ca + H2O...

P—> p2o5–> h3po4–> < —ca3(po4)2< —ca(oh)2< —cao< —ca