couples acide/ base & acides forts

couples acide/ base & acides forts

12th Grade

10 Qs

quiz-placeholder

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couples acide/ base & acides forts

couples acide/ base & acides forts

Assessment

Quiz

Chemistry

12th Grade

Practice Problem

Hard

Created by

Anthony Rodot

Used 79+ times

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10 questions

Show all answers

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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