LATIHAN SIAP ASSG

LATIHAN SIAP ASSG

11th Grade

25 Qs

quiz-placeholder

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LATIHAN SIAP ASSG

LATIHAN SIAP ASSG

Assessment

Quiz

Chemistry

11th Grade

Practice Problem

Easy

Created by

Larosa Arupa

Used 1+ times

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Perhatikan reaksi asam-basa menurut Bronsted-Lowry berikut:

(1)   CH3COOH + HNO2 <===> CH3COOH2+ NO2­-

(2)   CH3COOH + NH3<===> CH3COO-dan NH4+

Pernyataan yang benar tentang reaksi di atas adalah…

Pada reaksi 1 CH3COOH bertindak sebagai asam

pada reaksi 1 HNObertindak sebagai basa

pada reaksi 2 NHbertindak sebagai asam

CH3COOH dan CH3COOH2adalah pasangan basa dan asam konjugasi

HNO2 dan NH3 adalah pasangan asam dan basa konjugasi

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jika tetapan asam CH3COOH = 10-5, maka pH larutan CH3COONa 0,01 M adalah ….

7,0                                        

   

7,5                                           

8,0

8,5

9,0

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Berapakah konsentrasi  H3O+ dalam larutan Ba(OH)2 0,05 M

1 x 10-13 M                          

5 x 10-10 M                            

1 x 10-5 M

2 x 10-5 M

5 x 10-2 M

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

1

2

3

4

5

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Berapakah pH larutan yang diperoleh dengan mencampurkan 50 mL HBr 0,2 M dan 50 mL NaOH 0,4 M ?

2

5

7

10

13

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Asam lemah HA 0,1 M terionisasi dalam air sebanyak 2%. Tetapan ionisasi asam lemah tersebut adalah ….

2 x 10-3                                   

4 x 10-3                                     

2 x 10-4

4 x 10-4

4 x 10-5

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Bila [OH-] dalam larutan 0,2 M HCOOH adalah

2,5 x 10-12, maka harga tetapan ionisasi HCOOH adalah ….

1,25 x 10-11                           

5 x 10-7                                                     

3,2 x 10-6

1,6 x 10-5

8,0 x 10-5

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