pH Hidrolisis Garam Asyikk

pH Hidrolisis Garam Asyikk

2nd Grade

3 Qs

quiz-placeholder

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pH Hidrolisis Garam Asyikk

pH Hidrolisis Garam Asyikk

Assessment

Quiz

Chemistry

2nd Grade

Hard

Created by

Ruthadaning H

Used 4+ times

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3 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Diketahui berbagai komposisi campuran sebagai berikut:

a) 100 mL CH3COOH 0,2 M + 50mL KOH 0,2M

(Ka CH3COOH = 1x 10-5)

b) 120 mL NH3 0,1 M + 50 mL HCl 0,1 M

(Kb NH3 =1x 10-5)

c) 50 mL HCN 0,2 M + 50 mL NaOH 0,02 M

(Ka HCN = 1,6 x 10-8)

Di antara campuran di atas, yang menghasilkan garam dengan

pH > 7 adalah....

1 jawaban benar

2 jawaban benar

3 jawaban benar

jawaban benar semua

tidak ada jawaban benar

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Perhatikan kurva titrasi 50 ml NH3 0,1 N dengan HCl 0,1 N di atas.

Volume HCl 0,1N yang dibutuhkan untuk mencapai titik ekivalen adalah...


A. 20ml

B. 30ml

C. 40ml

D. 50ml

E. 60ml

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Harga pH dari larutan NH4CH3COO yang mempunyai harga Ka CH3COOH = 1 x 10–5 dan Kb NH3= 1 x 10–5 adalah ….

A. 5

B. 7

C. 9

D. 10

E. 13