Latihan soal Hidrolisis dan Buffer

Latihan soal Hidrolisis dan Buffer

11th Grade

10 Qs

quiz-placeholder

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Latihan soal Hidrolisis dan Buffer

Latihan soal Hidrolisis dan Buffer

Assessment

Quiz

Chemistry

11th Grade

Easy

Created by

Sekbid 2

Used 1+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hitunglah pH larutan:

a. CH3COONa 1 M (Ka CH3COOH = 1 × 10 )

b. CH3COONH4 0,1 M (Ka CH3COOH = 1 × 10 ;

Kb NH3 = 1 × 10 )

a. 9.5

b. 7

a. 4.5

b. 14

a. 5
b. 6

a. 9

b. 7

Answer explanation

Media Image

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

100 mL CHCOOH 0,1 M dengan 100 mL NaOH 0,1 M

(Ka CH3COOH = 1 × 10 ). Hitunglah pH campuran!

8,5 + log √5

5,5 - log 2,23

8,5 + log 2,23

5,5 - log √5

5

Answer explanation

Media Image

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

200 mL NH: 0,3 M dengan 300 mL HCl 0,2 M

(Kb NH3 = 1 × 10 ). Hitunglah pH campuran!1

5 + log √1,12

9 + log √1,12

5 - log √1,12

5 - log √2

10 - log √1,12

Answer explanation

Media Image

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berapa gram NH4Cl yang terlarut dalam 200 mL

larutan NH4Cl dengan pH = 4? (N = 14, H = 1; Cl = 35,5 ;

Kb NH3 = 1 x 10 )

1.07 gr

107 gr

101 gr

1,01 gr

10,7 gr

Answer explanation

Media Image

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hitunglah pH dari CH3COONH4 0,1 M. Jika diketahui

Ka = 10 dan Kb NH3 = 10 .

8,5

7

9,5

  • - 8,5

Answer explanation

Media Image

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Suatu larutan yang mengandung 0,1 mol asam asetat

(Ka = 10-5) dan 0,01 mol natrium asetat mempunyai pH...

3

5

4

6

Answer explanation

Media Image

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ke dalam larutan basa lemah LOH ditambahkan padatan

garam L2SO4 sehingga konsentrasi larutan LOH menjadi

0,1 M dan konsentrasi L2SO4 0,05 M.

Bila Kb LOH = 10-5 maka pH campuran adalah

5

9

5 - log 2

9 + log 2

Answer explanation

Media Image

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