Fehler:
KOH %2B As %2B KBrO %3D H2O %2B KBr %2B K3AsO4
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Unerwartets Zeichen ('%')KOH %2B As %2B KBrO %3D H2O %2B KBr %2B K3AsO4
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Unerwartets Zeichen ('%')