7/29/2019 soal hidrolisis (kimia)

1/3

1. Peristiwa hidrolisis tidakterjadi pada larutan. Hydrolysis events do notoccur in

solution ....

1. a .CH 3COOK a. CH 3COOK

2. b. b. NH 4Cl NH 4Cl

3. c. c. CH 3COONH 4 CH 3COONH 44. d. ee (NH 4) 2SO 4 (NH 4) 2SO 4

5. e. e. K 2SO 4 K 2SO 4

2. 2. Di antara garam-garam berikut, yang mengalami hidrolisis total adalah.

Among the following salts, which experienced a total hydrolysis is ....

1. a. a. CH 3COONa CH 3COONa

2. b. b. CH 3COONH 4 CH 3COONH 4

3. c. c. NaCl NaCl

4. d. ee NH 4Cl NH 4Cl

5. e. e. NaCN NaCN

3. 3. Di antara senyawa senyawa berikut ini, yang larutannya dalam air memiliki pH

terbesar Among the compounds - compounds the following, which has a pH of the

solution in the largest water

adalah.... is ....

1. a. a. Natrium clorida Sodium clorida

2. b. b. Kalium nitrat Potassium nitrate

3. c. c. Amonium clorida Ammonium clorida4. d. ee Amonium asetat Ammonium acetate

5. e. e. Natrium asetat Sodium acetate

4. 4. Garam berikut ini yang larutannya dalam air bersifat basa adalah.... The

following is a solution of salt in the alkaline water is ....

1. a. a. Kalium asetat Potassium acetate

2. b. b. Natrium sulfat Sodium sulfate

3. c. c. Natrium klorida Sodium chloride

4. d. ee Amolium asetat Amolium acetate

5. e. e. Amonium klorida Ammonium chloride

5. 5. Garam yang mempunyai pH > 7 dalam larutan adalah.... The salt has a pH> 7 in

the solution is ....

1. a. a. NaCl NaCl

2. b. b. Na 2SO 4 Na 2SO 4

3. c. c. NH 4Cl NH 4Cl

4. d. ee K 2CO 3 K 2CO 3

5. e. e. K 2SO 4 K 2SO 4

6. 6. Dalam larutan terdapat natrium asetat 0,1mol/L yang mengalami hidrolisis : In asolution of sodium acetate are 0.1 mol / L that has hydrolyzing:

7/29/2019 soal hidrolisis (kimia)

2/3

CH 3COO - + H 2O CH 3COOH + OH - 3COO CH - CH 3COOH 2o + H + OH -

Jika tetapan hidrolisis K h = 10 -9 , pH larutan adalah. If the hydrolysis constant K

h = 10 -9, pH of the solution is ....

1. a. a. 5 52. b. b. 5,5 5.5

3. c. c. 9 9

4. d. ee 8,5 8.5

5. e. e. 10 10

7. 7. Jika 10,7g garam NH 4Cl (M r=53,5) dilarutkan dalam air hingga volumenya 2 L

If 10.7 g of salt NH 4Cl (M r = 53.5) was dissolved in water until the volume is 2 L

(K b NH 4 OH) =10 -5), akan diperoleh larutan dengan pH. (K b NH 4 OH) = 10-5), will obtain a solution with a pH ....

1. a. a. 4 4

2. b. b. 5 5

3. c. c. 6 6

4. d. ee 8 8

5. e. e. 9 9

8. 8. Sebanyak 19,6g garam CH 3COOK (M r=98) dilarutkan dalam air hingga

volumenya A total of 19.6 g CH 3COOK salt (M r = 98) was dissolved in water untilits volume

500 ml. 500 ml. Jika K a CH 3COOH = 1 x10 -5, pH larutan CH 3COOK adalah .

If K a CH 3COOH = 1 x10 -5, CH 3COOK pH is ....

1. a. a. 2 log 5 2 - log 5

2. b. b. 4 log 2 4 - log 2

3. c. c. 5 log 2 5 - log 2

4. d. ee 9 + log 2 9 + log 2

5. e. e. 10 + log 5 10 + log 5

9. 9. Terdapat 5 L larutan (CH 3COO) 2 Ca 0,004 M. There are 5 L solution (CH

3COO) 2 Ca 0.004 M. Jika K a CH 3COOH=2 X 10 -5,pH larutan If K a CH 3COOH

= 2 x 10 -5, pH

adalah.... is ....

1. a. a. 5 log 2 5 - log 2

2. b. b. 6 log 2 6 - log 2

3. c. c. 9 + log 2 9 + log 2

4. d. ee 8 + log 2 8 + log 2

5. e. e. 9 9

7/29/2019 soal hidrolisis (kimia)

3/3

10. 10. Jika 66 mg garam (NH 4) 2SO 4 dilarutkan dalam air hingga 500ml. If 66 mg

of salt (NH 4) 2SO 4 was dissolved in water up to 500ml.

K b NH 4OH = 2 X 10 -5 dan M r (NH 4) 2SO 4=132, pH larutan garam tersebut

adalah. K b NH 4OH = 2 X 10 -5 and M r (NH 4) 2SO 4 = 132, pH of salt solution

is ....

1. a. a. 6 6

2. b. b. 5 5

3. c. c. 4 4

4. d. ee 8 8

5. e. e. 9 9