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Hidrolisis Garam

Authored by Fatwiyatul Fachiroh

Chemistry

12th Grade

Used 3+ times

Hidrolisis Garam
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5 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 20 pts

Perhatikan data berikut ini :

1.CH3COO- + H2O ==> CH3COOH + OH-

2.PO43- + 3H2O ==> H3PO4 + 3OH-

3.NH4+ + H2O ==> NH4OH + H+

4.CN- + H2O ==>HCN + OH-

5.Al3+ + 3H2O ==> Al(OH)3 + 3H+

Pasangan persamaan reaksi hidrolisis yang bersifat basa adalah . . .

1 dan 3

2 dan 3

2 dan 4

1 dan 5

4 dan 5

2.

MULTIPLE CHOICE QUESTION

10 mins • 20 pts

Bila Ka CH3COOH = 1 x 10–5, maka pH larutan Ba(CH3COO)2 0,1 M adalah ….

1

9

9 + log 1,4

5 - log 1,4

9 - log 1,4

3.

FILL IN THE BLANK QUESTION

10 mins • 20 pts

Sebanyak 250 mL larutan CH3COOH 0,2 M dicampur dengan 250 mL NaOH 0,2 M, membentuk suatu garam sesuai dengan reaksi :

CH3COOH(aq) + NaOH(aq) ==> CH3COONa(aq) + H2O(l)

(Ka = 1 10-9). pH campuran tersebut adalah . . . .

4.

FILL IN THE BLANK QUESTION

10 mins • 20 pts

Larutan 25 mL HCl 0,2 M direaksikan dengan 25 mL NH3 0,2 M sesuai reaksi:

NH3 (aq) + HCl (aq) → NH4Cl (aq)

Harga pH larutan yang terjadi adalah …. (Kb NH3 = 10−5)

5.

MULTIPLE CHOICE QUESTION

1 min • 20 pts

garam-garam dibawah ini dapat terhidrolisis dalam air, kecuali...

(NH4)2SO4

NaCl

NH4Cl

NaF

CH3COONa

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