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9. Klasse (NTG) - gymnasium-bruckmuehl.info · Schwefelsäure H2SO4 Hydrogensulfat-Ion Sulfat-Ion HSO4 - SO4 2-Schwefelige Säure H2SO3 Hydrogensulfit-Ion Sulfit-Ion HSO3 - SO3 2-Kohlensäure
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