rekenen 7
4:49
Added: 5 years ago
From: molecuul
Views: 627
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  • ik weet niet... maar Ag3PO4 is geen zilversulfaat maar zilverfosfaat...

    Paris16273212 1 month ago

  • Wajoow mooie gedaan hoor

    alleen ik leer dit later wel..

    chillmattie0 4 years ago

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