Remidi PH Hidrolisis

Remidi PH Hidrolisis

11th Grade

25 Qs

quiz-placeholder

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Remidi PH Hidrolisis

Remidi PH Hidrolisis

Assessment

Quiz

Chemistry

11th Grade

Medium

Created by

titik kurniawati

Used 22+ times

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Sebanyak 2,64 gram kristal (NH4)2SO4 dilarutkan dalam air, sehingga volumenya menjadi 1 liter. (Ar N = 14 dan S = 32), maka besarnya pH larutan adalah .... (Kb = 10–5)

5,5 + log 2

5 – log 2

5,5 – log 2

8,5 + log 2

9 + log 2

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Harga pH campuran dari 50 mL larutan NH3 0,2 M dan 50 mL larutan HCl 0,2 M adalah .... (Kb = 10–5)

4

5

6

9

10

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Besarnya pH larutan dari 100 mL CH3COOK 0,4 M (Ka = 10–5) adalah ....

5 – log 2

5

9

. 9 + log 2

10 + log 2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Larutan zat berikut yang dalam air mempunyai pH paling kecil adalah ....

CH3COONa

(NH4)2SO4

KCN

NaCl

CH3COONH4

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Dalam larutan natrium asetat 0,1 molL–1 mengalami hidrolisis sebagai berikut. CH3COO– + H2O --> CH3COOH + OH– Jika Kh= 10–9, maka pH larutan tersebut adalah ....

3

5

7

9

11

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Garam berikut yang mengalami hidrolisis sebagian adalah ....

natrium klorida

kalium nitrat

amonium asetat

kalium sulfat

kalium sulfida

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Barium asetat, Ba(CH3COO)2 seberat 2,55 gram dilarutkan dalam air sampai volumenya menjadi 500 cm3. Bila Ka = 10–5; Ar Ba = 137; C = 12; dan O = 16, maka pH larutan adalah ....

5

5,5 – log 2

8 + log 2

. 8,5 + log 2

9 + log 2

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