Fehler:
Mg %2B KNO3 %2B H2O %3D Mg%28OH%292 %2B NH3 %2B KOH
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Unerwartets Zeichen ('%')Mg %2B KNO3 %2B H2O %3D Mg%28OH%292 %2B NH3 %2B KOH
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Unerwartets Zeichen ('%')