Fehler:
MgCl2 %2B K3PO4 %3D KCl %2B Mg3%28PO4%292
^Unerwartets Zeichen ('%')MgCl2 %2B K3PO4 %3D KCl %2B Mg3%28PO4%292
^Unerwartets Zeichen ('%')