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OPGELOST voorbeeldexamen Analytische chemie - 2015 $6.14   Add to cart

Exam (elaborations)

OPGELOST voorbeeldexamen Analytische chemie - 2015

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HoGent - Analytische chemie - Mnr. Dumont --- Opgeloste examenvragen uit 2015 1ste zit, enkele vragen werden opnieuw gesteld op examen 1ste zit 2018/2019. Zeer goede voorbereiding op het examen!

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  • May 4, 2020
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  • 2018/2019
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3  reviews

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By: zjefmunghen • 2 year ago

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By: asyaguc • 3 year ago

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By: bluejays • 3 year ago

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Analytische chemie 1ste zit (2014-2015)

1) 10 ml H3PO4 (74 m/m %) + 11,6971 g NaOH (87 m/m %) in 990 ml H 2O
a) Algemene formule afleiden voor berekening pH van deze oplossing. Bereken de pH




Reactievergelijking:




Speciësoverzicht:




Protonenbalans:

, Amfolyt:




b) pH na toevoegen 15,465 g (100%) NaH 2PO4




c) hoeveel ml 6M HCl moet aan de oorspronkelijke oplossing toegevoegd worden om pH = 7,5
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