pH Hidrolisis Garam Asyikk
Quiz
•
Chemistry
•
2nd Grade
•
Hard
Ruthadaning H
Used 4+ times
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3 questions
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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
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
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