Sebanyak 0,1 mol NH4OH dicampurkan dengan 0,05 mol NH4Cl akan menghasilkan pH campuran..… (Kb = 1 x 10-5)
Kuis Kimia Pertemuan 6

Quiz
•
Chemistry
•
12th Grade
•
Hard
Ir S
Used 3+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 20 pts
5
5 – log 2
9
9 + log 2
12 + log 6
Answer explanation
2.
MULTIPLE CHOICE QUESTION
3 mins • 20 pts
Reaksi kimia berikut:
HSO4- (aq) + H2O (l) ⇄ H3O+ (aq) + SO42- (aq)
Spesi-spesi yang merupakan pasangan asam basa konjugasi adalah.....
HSO4- (aq) dan H3O+ (aq)
H3O+ (aq) dan SO42- (aq)
HSO4- (aq) dan H2O (l)
H2O (l) dan SO42- (aq)
HSO4- (aq) dan SO42- (aq)
Answer explanation
3.
MULTIPLE CHOICE QUESTION
3 mins • 20 pts
Jika pada reaksi : W + X ⇄ Y + Z tetapan kesetimbangan sebesar 1 dan konsentrasi W sama dengan 2 kali konsentrasi Y, konsentrasi X sama dengan…..
4 kali konsentrasi Z
2 kali konsentrasi Z
1 kali konsentrasi Z
Answer explanation
4.
MULTIPLE CHOICE QUESTION
3 mins • 20 pts
Bilangan oksidasi atom P dalam PH4+, PO23-, PO43-, dan PO33- adalah…..
-3, +3, +5, +1
-3, +1, +3, +5
-3, +1, +5, +3
+3, -3, +5, +1
-3, -1, +3, +5
Answer explanation
5.
MULTIPLE CHOICE QUESTION
3 mins • 20 pts
Pada reaksi kesetimbangan:
2X (s) ⇄ Y (s) + 2Z (g)
Apabila tekanan setelah setimbang 1,5 atm maka harga Kp adalah…..
0,18
0,20
0,25
0,56
2,25
Answer explanation
Penyelesaian:
Kp = (PZ)2
= (1,5)2
= 2,25
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