Fehler:
HNO3 %2B MnS %3D H2O %2B S %2B NO %2B Mn%28NO3%292
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Unerwartets Zeichen ('%')HNO3 %2B MnS %3D H2O %2B S %2B NO %2B Mn%28NO3%292
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Unerwartets Zeichen ('%')