Soal Ulangan Harian Kimia Kelas 11
Quiz
•
Chemistry
•
11th Grade
•
Hard
Sianti Nirpala
Used 8+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Garam CH3COONH4 terbentuk dari CH3COOH (Ka = 1,8 × 10-5) dan NH3 (Kb = 1, 8 × 10-5). pH larutan garam adalah ....
5
7
9
8
2
2.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Garam yang terbentuk dari asam lemah dan basa lemah, sifat larutannya ditentukan oleh ....
konsentrasi garam
suhu larutan
pH awal asam dan basa
kelarutan garam dalam air
nilai Ka asam lemah dan Kb basa lemah
3.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Garam NH4Cl 0,1 M memiliki Kb NH3 = 1,8 × 10-5, pH larutan garam tersebut adalah ....
5,13
5,28
9,72
9,87
7,00
4.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Jika pH larutan NH4NO3 0,01 M adalah 5,6 (Kw = 10-14), maka Kb NH3 adalah ....
1x10-9
2 × 10-9
1 × 10-5
2 × 10-5
1 × 10-4
5.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Jika Kw = 10−14 dan Kb NH3 = 10−5, maka nilai Kh untuk hidrolisis ion NH4+ adalah ...
10−9
10−5
10−14
10−19
10−24
6.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Garam CH3COONa 0,1 M memiliki Ka CH3COOH = 1,8 × 10-5, pH larutan garam tersebut adalah…
5,13
5,28
8,72
8,87
7,00
7.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Hidrolisis sempurna terjadi pada garam yang terbentuk dari ....
asam kuat dan basa kuat
asam lemah dan basa kuat
asam kuat dan basa lemah
asam lemah dan basa lemah yang keduanya tidak larut
asam lemah dan basa lemah yang keduanya larut dan bereaksi dengan air
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