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prokofevaveronika591
@prokofevaveronika591
June 2023
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Здійснить перетворення. Файл прикреплю нижче
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kokoshkolarisa2006
1) 4Na + O2 → 2Na2O
Na2O + H2O → 2NaOH
NaOH + HNO3 → NaNO3 + H2O.
2) S + O2 → SO2
SO2 + H2O → H2SO3
H2SO3 + 2KOH → K2SO3 + 2H2O
3) 4Al + 3O2 → 2Al2O3
Al2O3 + 6HCl → 2AlCl3 + 3H2O
AlCl3 + 3H2O → Al(OH)3 + 3HCl
4) Zn + 2HCl → ZnCl2 + H2↑
ZnCl2 + 2H2O → Zn(OH)2 + 2HCl
Zn(OH)2→ ZnO + H2O
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prokofevaveronika591
July 2023 | 0 Ответы
5 7 4 h
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Answers & Comments
Na2O + H2O → 2NaOH
NaOH + HNO3 → NaNO3 + H2O.
2) S + O2 → SO2
SO2 + H2O → H2SO3
H2SO3 + 2KOH → K2SO3 + 2H2O
3) 4Al + 3O2 → 2Al2O3
Al2O3 + 6HCl → 2AlCl3 + 3H2O
AlCl3 + 3H2O → Al(OH)3 + 3HCl
4) Zn + 2HCl → ZnCl2 + H2↑
ZnCl2 + 2H2O → Zn(OH)2 + 2HCl
Zn(OH)2→ ZnO + H2O