Chyba:
Na2COONa %2B CH3COOH %3D CH3COONa %2B CO2 %2B H2O
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Neočakávaný ('%')Na2COONa %2B CH3COOH %3D CH3COONa %2B CO2 %2B H2O
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Neočakávaný ('%')