Fehler:
Fe %2B HNO3 %3D Fe%28NO3%292 %2B NH4NO3 %2B H2O
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Unerwartets Zeichen ('%')Fe %2B HNO3 %3D Fe%28NO3%292 %2B NH4NO3 %2B H2O
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Unerwartets Zeichen ('%')