Chemie
Vyberte správné stechiometrické koeficienty: a Cu + b HNO
3
→ x Cu(NO
3
)
2
+ y NO + z H
2
O
A
a = 3, b = 8, x = 3, y = 2, z = 4
✓
B
a = 3, b = 2, x = 1, y = 3, z = 8
✗
C
a = 8, b = 3, x = 2, y = 1, z = 3
✗
D
a = 2, b = 1, x = 3, y = 8, z = 3
✗
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