Latihan soal Hidrolisis dan Buffer

Latihan soal Hidrolisis dan Buffer

11th Grade

10 Qs

quiz-placeholder

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Latihan soal pH, asam basa, hidrolisis dan penyangga

Latihan soal pH, asam basa, hidrolisis dan penyangga

11th Grade

10 Qs

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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