Chemie
Vyberte správné stechiometrické koeficienty: a Fe
2+
+ b MnO
4
-
+ c H
+
→ x Fe
3+
+ y Mn
2+
+ z H
2
O
A
a = 5, b = 1, c = 8, x = 5, y = 1, z = 4
✓
B
a = 3, b = 1, c = 8, x = 3, y = 1, z = 4
✗
C
a = 3, b = 2, c = 16, x = 3, y = 2, z = 8
✗
D
a = 5, b = 2, c = 16, x = 5, y = 2, z = 8
✗
Zpět na souhrn otázek