Chemie
Vyberte správné stechiometrické koeficienty: a Na
2
CO
3
+ b HCl → x NaCl + y CO
2
+ z H
2
O
A
a = 2, b = 1, x = 1, y = 1, z = 2
✗
B
a = 1, b = 2, x = 1, y = 1, z = 2
✗
C
a = 1, b = 2, x = 2, y = 1, z = 1
✓
D
a = 2, b = 1, x = 1, y = 2, z = 1
✗
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