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HIdrolisis part 2

Authored by Siti Jainab

Chemistry

11th Grade

Used 9+ times

HIdrolisis part 2
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8 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

pH 50 mL larutan (CH3COO)2 Ca 0,025 M dengan Ka CH3COOH = 2,0 × 10-5, adalah ….

5 - log 3

6 - log 5

8 + log 5

9 + log 5

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Larutan (NH4)2SO4 0,4 M dimana Kb NH3 (aq) = 2,0 × 10-5, mempunyai pH larutan sebesar ….

5 - 3

5 - log 2

3 - log 5

2 - log 5

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

pH larutan yang terjadi bila 100 mL larutan NH3 0,2 molar (Kb = 1,0 × 10-5) direaksikan dengan 100 mL larutan HCl 0,2 molar adalah ….

1

6

8

13

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

pH 10 mL larutan HCOONH4 0,2 M, jika Ka HCOOH = 1,0 × 10-4 dan Kb NH4OH = 1,0 × 10-5 adalah ….

6,5

7

8,5

9,5

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

pOH larutan 100 mL CaX2 0,05 M, dengan Ka HX = 2,0 × 10-4 adalah …. 

6

6 - log 5\sqrt{5}  

8

8 - log 5\sqrt{5}  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

100 mL larutan CH3COOH 0,4 M dicampur dengan 100 mL larutan NaOH 0,4 M. Jika Ka CH3COOH = 2,0 × 10-7, maka pH larutan yang terjadi adalah ….

5

6

8

9

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Dalam larutan terdapat NH4Cl 0,1 mol/liter yang mengalami hidrolisis menurut persamaan reaksi :

NH4+ + H2O --> NH4OH + H+. Jika tetapan hidrolisis sama dengan 10-9, maka pH larutan ….

5

6

8

9

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