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alina1226
@alina1226
April 2021
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12 . Определите вещества х, у, z, запишите их химические формулы.
Fе(ОН)3 —— Х —— У —— Z —— Fe2 O3
и сверху где тире
1)t
2)+HCL
3)+NAOH
4)t
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NazguL68
2Fe(OH)3 ---t--> Fe2O3 + 3H2O
Fe2O3 + 6HCl ---> 2FeCl3 + 3H2O
FeCl3 + 3NaOH ---> Fe(OH)3 + 3NaCl
2Fe(OH)3 --t--> Fe2O3 + 3H2O
X - Fe2O3
Y - FeCl3
Z - Fe(OH)3
11 votes
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Answers & Comments
Fe2O3 + 6HCl ---> 2FeCl3 + 3H2O
FeCl3 + 3NaOH ---> Fe(OH)3 + 3NaCl
2Fe(OH)3 --t--> Fe2O3 + 3H2O
X - Fe2O3
Y - FeCl3
Z - Fe(OH)3