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sofyakurishko
@sofyakurishko
June 2022
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ПОЖАЛУЙСТА. ОЧЕНЬ СРОЧНО!!! 50 БАЛЛОВ !
Осуществите превращения :
1) P->P2O5->H3PO4->Zn3(Po4)2->Zn->ZnO->ZnSO4->BaSO4
2) Mg->MgO->Mg3(PO4)2->Mg(OH)2->Mg(NO3)2->Mg->MgCl2->AgCl
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Answers & Comments
zinchakirina
1)P->P2O5->H3PO4->Zn3(Po4)2->Zn->ZnO->ZnSO4->BaSO4
4P+5O2=2P2O5
2P2O5+3H2O=2H3PO4
H3PO4+3ZnO=Zn3(PO4)2+3H2O
Zn3(PO4)2+3H2=3Zn+2H3PO4
2Zn+O2=2ZnO
ZnO+H2SO4=ZnSO4+H2O
ZnSO4+BaS=BaSO4+ZnS
2)
Mg->MgO->Mg3(PO4)2->Mg(OH)2->Mg(NO3)2->Mg->MgCl2->AgCl
2Mg+O2=2MgO
3MgO+2H3PO4=Mg3(PO4)2+3H2O
Mg3(PO4)2+6NaOH=3Mg(OH)2+2Na3PO4
Mg(OH)2+2HNO3=Mg(NO3)2+2H2O
Mg(NO3)2+H2=Mg+2HNO3
Mg+2HCl=MgCl2+H2
MgCl2 + 2AgNO3 = Mg(NO3)2 + 2AgCl
1 votes
Thanks 1
sofyakurishko
спасибо, спасили
sofyakurishko
спасли
zinchakirina
рада была помочь
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Answers & Comments
4P+5O2=2P2O5
2P2O5+3H2O=2H3PO4
H3PO4+3ZnO=Zn3(PO4)2+3H2O
Zn3(PO4)2+3H2=3Zn+2H3PO4
2Zn+O2=2ZnO
ZnO+H2SO4=ZnSO4+H2O
ZnSO4+BaS=BaSO4+ZnS
2)Mg->MgO->Mg3(PO4)2->Mg(OH)2->Mg(NO3)2->Mg->MgCl2->AgCl
2Mg+O2=2MgO
3MgO+2H3PO4=Mg3(PO4)2+3H2O
Mg3(PO4)2+6NaOH=3Mg(OH)2+2Na3PO4
Mg(OH)2+2HNO3=Mg(NO3)2+2H2O
Mg(NO3)2+H2=Mg+2HNO3
Mg+2HCl=MgCl2+H2
MgCl2 + 2AgNO3 = Mg(NO3)2 + 2AgCl