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OPGELOST voorbeeldexamen Analytische chemie - 2014 $5.93   Add to cart

Exam (elaborations)

OPGELOST voorbeeldexamen Analytische chemie - 2014

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HoGent - Analytische chemie - Mnr. Dumont --- Opgeloste examenvragen uit 2014 2de zit, enkele vragen werden opnieuw gesteld op examen 1ste zit 2018. Zeer goede voorbereiding op het examen!!

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  • May 4, 2020
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By: zjefmunghen • 2 year ago

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By: asyaguc • 3 year ago

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By: florenceteughels • 4 year ago

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Analytische chemie 2de zit (2013-2014)


1) 5g Na2CO3 wordt opgelost in 250 ml H2O
a) Wat is de pH van de oplossing?




b) Wat is de pH van de oplossing als er eerst 5,00 ml HCl (37% m/m) en vervolgens 1,1092g
NaOH (93% m/m) wordt aan toegevoegd?




c) Wat is de concentratie aan CO2 als de pH van de oorspronkelijke oplossing wordt aangepast
naar 5? Leid hiervoor eerst de formule af

, 2) CO2 wordt door water geborreld zodat men een oplossing bekomt van 50 ml 0,1M. Bereken en
teken de titratiecurve van deze oplossing met 0,1 M NaOH vanaf de start tot de volledige reactie
is afgelopen. Geef de pKa van een mogelijke indicator van de titratie

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