Buffer

Buffer

11th Grade

10 Qs

quiz-placeholder

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Buffer

Buffer

Assessment

Quiz

Chemistry

11th Grade

Practice Problem

Medium

Created by

Khansa Haida

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Larutan berikut yang bukan merupakan larutan penyangga adalah….

Larutan CH3COOH dan Ca(CH3COO)2

Larutan NH4 dan (NH4)2SO4

Larutan NaH2PO4 dan Na2HPO4

Larutan NaOH dan Ca(CH3COO)2

2.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Campuran 200 mL NH4OH 0,4 M (Kb = 10-5) dengan 200 mL HCl 0,2 M akan membentuk larutan penyangga dengan pH…….

5

9

10

11

3.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Sebanyak 4 mL NH4OH 0,5M dicampur dengan 10 mL NH4Cl 0,1 M. Jika Kb = 2 x 10-5, maka pH capurannya adalah…….

9 + log 4

9 – log 4

8 + log 4

5 – log 4

4.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Jika 100 mL H2SO4 0,05 M dicampurkan dengan 100 mL NH4OH 0,1, jika Kb = 10-5, pH larutan tersebut adalah….

5

7

8

9

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Perhatikan data uji pH beberapa larutan!


Larutan yang merupakan larutan penyangga adalah ….

P dan Q

Q dan R

R dan S

R dan T

S dan T

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Terdapat larutan sebagai berikut:

25 mL CH3COOH 0,1 M

25 mL NaOH 0,1 M

25 mL KOH 0,1 M

25 mL NH4OH 0,3 M

25 mL HCl 0,2 M

Pasangan yang dapat membentuk larutan penyangga adalah ….

1 dan 2

1 dan 3

2 dan 4

3 dan 4

4 dan 5

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

100 mL NH4OH 0,1 M (Kb = 10−5) dicampurkan dengan 50 mL HCl 0,1 M. Maka campuran mempunyai pH ...

5

6

7

8

9

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