
couples acide/ base & acides forts
Authored by Anthony Rodot
Chemistry
12th Grade
Used 79+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
la base conjuguée de l'acide chlorhydrique HCl est
Cl-
Cl
H+
H3O+
Cl2-
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La base conjuguée de l'acide HSO4- est
SO42-
H2SO4
SO4-
SO4
HSO4-
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
L'acide conjugué de la base H2O est
H3O+
HO-
H2O
HO
H3O
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
L'acide conjugué de la base HSO4- est
SO42-
H2SO4
SO4-
SO4
HSO4-
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
[H3O+] = 5,8.10-2 mol/L ; donc pH =
1,2
2,1
1,0
2,0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
[H3O+] = 8,5.10-8 mol/L ; donc pH =
7,1
3,1
10,1
12,1
1,1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
[HO-] = 8,5.10-4 mol/L ; donc pH =
10,9
3,9
7,9
12,9
1,9
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