Hidrolisis dan Larutan Penyangga
Quiz
•
Chemistry
•
11th Grade
•
Medium
M. Yasin
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15 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Garam berikut ini, yang manakah mengalami hidrolisis total jika dilarutkan ke dalam air ?
NH4Cl
KCl
Na2CO4
CH3COONa
NH4CN
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Garam di bawah ini yang dapat memerahkan lakmus biru adalah...
CH3COOK
NaCl
NH4Cl
CH3COONa
Na2CO3
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Beberapa campuran :
1. 100 mL HCl 0,1 M + 100 mL NaOH 0,1 M
2. 100 mL CH3COOH 0,1 M + 50 mL HCl 0,1 M
3. 100 mL H2CO3 0,5 M + 100 mL NaOH 0,1 M
4. 10 mL CH3COOH 0,1 M + 10 mL NaOH 0,1 M
5. 100 mL NH4OH 0,1 M + 100 mL HCl 0,1M
Campuran yang membentuk garam terhidrolisis dan bersifat basa adalah …
1
2
3
4
5
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Jika Ka CH3COOH = 10-5, maka pH larutan CH3COONa 0,4 M adalah …
5 – log 2
8 + log 2
9 + log 2
7
5
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Jika diketahui Kb NH4OH = 10-5, maka
pH larutan ( NH4)2SO4 0,1 M adalah ….
5
9
5 – log 1,4
9 – log 1,4
9 + log 1,4
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Massa ( NH4)2SO4 yang harus ditambahkan kedalam 100 mL air, sehingga diperoleh larutan dengan pH = 5 adalah …. ( Kb. NH3 = 10-5 ; Mr = 132 )
0,33 gram
0,66 gram
1,32 gram
2,64 gram
2,66 gram
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Sebanyak 19,6 gram garan CH3COOK (Mr = 98) dilarutkan dalam air hingga volum 500 ml. Ka CH3COOH = 1 × 10-5. pH larutan CH3COOK adalah …
2 – log 6
4 – log 2
5 – log 2
9 + log 2
10 + log 5
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