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Bezson
@Bezson
March 2022
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Ca3(PO4)2-P-Na3P-PH3-H3PO4 осуществить цепочку превращений
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yulia2p
1)
Ca3(PO4)2 + 3SiO2 + 5C --(1600°C)--> 3CaSiO3 + 2P + 5CO
2) P + 3Na -> Na3P
3) Na3P + 3H2O -> PH3 + 3NaOH
4) PH3 + 8AgNO3 + 4H2O -> 8Ag + 8HNO3 + H3PO4
7 votes
Thanks 10
аДРОБин
Ca3(PO4)2+5C+3SiO2=3CaSiO3+2P+5CO
3Na+P=Na3P
Na3P+3H2O=3NaOH+PH3
PH3+2O2=H3PO4
4 votes
Thanks 4
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Answers & Comments
2) P + 3Na -> Na3P
3) Na3P + 3H2O -> PH3 + 3NaOH
4) PH3 + 8AgNO3 + 4H2O -> 8Ag + 8HNO3 + H3PO4
3Na+P=Na3P
Na3P+3H2O=3NaOH+PH3
PH3+2O2=H3PO4