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daniel0765078
@daniel0765078
August 2022
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1.S > SO2 > SO3 > Na2SO4 > NaOH > Fe(OH)3
2.P > P2O5 > Na3PO4 > Ag3PO4
3. Cu > CuP > CuCl2 > Cu(OH)2 > CuP > Cu
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АлинкаМалинка22
1)
S + O2 = SO2
SO2 + O2 = SO3
SO3 + 2NaO = Na2SO4
Na2SO4 + 2KOH = 2NaOH + K2SO4
2NaOH + Fe2(SO4)3 = Na2SO4 + 2Fe(OH)3
2)
P + O2 = P2O5
P2O5 + 6NaO = 2Na3PO4
2Na3PO4 + 3Ag2SO4 = 2Ag3PO4 + 3Na2SO4
3) 2Cu + O2 = 2CuO
CuO + 2HCl = CuCl2 + H2O
CuCl2 + 2KOH = Cu(OH)2 + 2KCl
Cu(OH)2 = CuO + H2O
2CuO = 2Cu + O2
Ошибка вместо Р , должно быть О.
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Answers & Comments
S + O2 = SO2
SO2 + O2 = SO3
SO3 + 2NaO = Na2SO4
Na2SO4 + 2KOH = 2NaOH + K2SO4
2NaOH + Fe2(SO4)3 = Na2SO4 + 2Fe(OH)3
2)
P + O2 = P2O5
P2O5 + 6NaO = 2Na3PO4
2Na3PO4 + 3Ag2SO4 = 2Ag3PO4 + 3Na2SO4
3) 2Cu + O2 = 2CuO
CuO + 2HCl = CuCl2 + H2O
CuCl2 + 2KOH = Cu(OH)2 + 2KCl
Cu(OH)2 = CuO + H2O
2CuO = 2Cu + O2
Ошибка вместо Р , должно быть О.