Zadania drugie juz mam;)
1.
Cp=?
Mr=20
Ms=200
M wody =180
Cp = mr/ms * 100 %
Cp = 20 / 200 * 100 %
Cp = 10 %
3.
d
4.
a
5.
FeCl3 + 3NaOH ...
...BaSO4 + 2KOH
3NH4NO3 + KOH2 ----> KNO3 + 4NH3 + H2O
Liczę na naj :)
1. 20 %
3. 188g
4. 24g
5. FeCl3 + 3 NaOH -> Fe(OH)3 + 3 NaCl
Ba(OH)2 + K2SO4 -> BaSO4 + 2 KOH
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1.
Cp=?
Mr=20
Ms=200
M wody =180
Cp = mr/ms * 100 %
Cp = 20 / 200 * 100 %
Cp = 10 %
3.
d
4.
a
5.
FeCl3 + 3NaOH ...
...BaSO4 + 2KOH
3NH4NO3 + KOH2 ----> KNO3 + 4NH3 + H2O
Liczę na naj :)
1. 20 %
3. 188g
4. 24g
5. FeCl3 + 3 NaOH -> Fe(OH)3 + 3 NaCl
Ba(OH)2 + K2SO4 -> BaSO4 + 2 KOH