Fehler:
H%3A%2B %2B I%3A- %2B AsO4%3A3- %3D H2O %2B I2 %2B AsO3%3A3-
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Unerwartets Zeichen ('%')H%3A%2B %2B I%3A- %2B AsO4%3A3- %3D H2O %2B I2 %2B AsO3%3A3-
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Unerwartets Zeichen ('%')