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GlebLinkov
@GlebLinkov
September 2021
1
6
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Помогите Аа!
1)S->SO2->H2SO3->CaSO3
2)P->P2O5->H3PO4->K3PO4
3)Fe2(SO4)3->Fe(OH)3->Fe2O5->FCl3
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Еlizabeth
1)
а) S + O2 = SO2
б) SO2 + H2O = H2SO3
в) H2SO3 + Ca(OH)2 = 2H2O + CaSO3
2)
а) 4P + 5O2 = P2O5
б) P2O5 + 3H2O = 2H3PO4
в) H3PO4 + 3KOH = K3PO4 + 3H2O
3)
а) Fe2(SO4)3 + 6NaOH = 2Fe(OH)3 + 3NaSO4
б) 2Fe(OH)3 = (при температуре) Fe2O3 + 3H2O
в) Fe2O3 + 6HCl = 2FeCl3 + 3H2O
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Answers & Comments
а) S + O2 = SO2
б) SO2 + H2O = H2SO3
в) H2SO3 + Ca(OH)2 = 2H2O + CaSO3
2)
а) 4P + 5O2 = P2O5
б) P2O5 + 3H2O = 2H3PO4
в) H3PO4 + 3KOH = K3PO4 + 3H2O
3)
а) Fe2(SO4)3 + 6NaOH = 2Fe(OH)3 + 3NaSO4
б) 2Fe(OH)3 = (при температуре) Fe2O3 + 3H2O
в) Fe2O3 + 6HCl = 2FeCl3 + 3H2O