Fehler:
NaOH %2B NH4Fe%28SO4%292 %3D H2O %2B Na2SO4 %2B NH3 %2B Fe%28OH%293
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Unerwartets Zeichen ('%')NaOH %2B NH4Fe%28SO4%292 %3D H2O %2B Na2SO4 %2B NH3 %2B Fe%28OH%293
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Unerwartets Zeichen ('%')