Chyba:
Na2SO3 %2B K2MnO4 %2B H2O %3D K%28OH%29 %2B Na2%28SO4%29 %2B MnO2
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Neočakávaný ('%')Na2SO3 %2B K2MnO4 %2B H2O %3D K%28OH%29 %2B Na2%28SO4%29 %2B MnO2
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Neočakávaný ('%')