
dosage acido basique
Authored by Jean Forestier
Chemistry
KG - 2nd Grade
Used 11+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
donne le produit de la réaction suivante :
OH- + H+ ----> ……….
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Quel est l'intérêt d'un dosage?
Déterminer un volume
déterminer une concentration au hasard
Déterminer la concentration de la solution titrée
Déterminer la concentration de la solution titrante
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Quelle est la solution titrante ?
la soude (la base)
l'acide
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Quelle est la solution titrée?
l'acide
la base (la soude)
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Quel est le volume à l'équivalence ?
20 ml
25 ml
pH=7
26 ml
6.
MULTIPLE SELECT QUESTION
45 sec • 5 pts
Choisir les réponses qui correspondent à l'équivalence
à l'équivalence la réaction est terminée
à l'équivalence il y a autant d'acide que de base
à l'équivalence le pH est égale au pH de l'acide
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Choisir le calcul qui permet de déterminer la concentration d'acide à l'équivalence avec Veq=25ml.
Answer explanation
Attention le volume de soude versée est de 25ml à l'équivalence donc VB =25ml
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