Latihan Ksp
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Medium
Evi Susanty
Used 57+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Banyak mol MgCl2 yang harus ditambahkan ke dalam 1 L larutan NaOH dengan pH=11 agar diperoleh larutan jenuh Mg(OH)2 adalah . . . mol.
(Ksp Mg(OH)2=1x10-11)
10-9
10-8
10-7
10-6
10-5
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Suatu garam LSO4 memiliki Ksp=2,5x10-5. Jika 0,34 g garam tsb terlarut dalam 500 mL larutan jenuhnya, massa molekul relatif LSO4 adalah . .
34
68
136
272
544
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sebanyak 12 mL gas HCl murni pada P, T tertentu serta 48 mL gas NH3 dengan P, T yang sama dilarutkan ke dalam 250 mL air hingga seluruh gas larut dan volume air tidak berubah. Jika ke dalam larutan tsb ditetesi larutan encer MgCl2 hingga tepat jenuh, konsentrasi Mg2+ dalam larutan tsb . . . M. (Ksp Mg(OH)2=2x10-12, Kb NH3=10-5, R=0,08 L.atm/mol.K)
2,2x10-3
2,2x10-4
1,1x10-4
1,1x10-5
2,2x10-6
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Dalam suatu larutan terdapat ion Ag+, Ca2+, Ba2+, Sr2+, dan Pb2+ dengan konsentrasi yang sama. Jika larutan tsb ditetesi dengan larutan K2SO4 , zat yang mula-mula mengendap adalah
Ag2SO4 (Ksp=1,4x10-5)
SrSO4 (Ksp=2,5x10-7)
PbSO4 (Ksp=1,7x10-8)
BaSO4 (Ksp=11x10-10)
CaSO4 (Ksp=9x10-6)
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Ke dalam 100 mL larutan CaCrO4 0,4 M ditambahkan 100 mL larutan AgNO3 0,4 M. Jika Ksp Ag2CrO4= 9x10-12, massa zat yang mengendap adalah . . . gram. (Ar O=16, Ca=40, Cr=52, Ag=108, N=14)
3,32
6,64
13,28
16,60
33,20
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Ke dalam tabung reaksi yang berisi larutan MgCl2 0,3 M ditetesi larutan NaOH. pH saat mulai terbentuk endapan Mg(OH)2 adalah . . . .
(Ksp Mg(OH)2 = 3x10-11)
9
10
11
12
13
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Kelarutan barium sulfat yang paling kecil terdapat pada 0,01 M larutan . . . .
BaCl2
Na2SO4
Al2(SO4)3
(NH4)2SO4
Ba(NO3)2
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