Suatu larutan elektrolit biner 0,25 m membeku pada suhu -0,651oC. Jika nilai Kf = 1,86oC/m, derajat ionisasi larutan elektrolit tersebut adalah ....
Ulangan kimia sifat koligatif KD 3.2

Quiz
•
Chemistry
•
12th Grade
•
Easy
piyan rudianto
Used 5+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
0,2
0,3
0,4
0,5
0,6
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Ke dalam 1000 gram air dilarutkan 26,7 gram senyawa AlCl3 ( mr = 133,5). Jika Kb air = 0,52oC/m dan α = 0,8; kenaikan titik didih larutan tersebut adalah .... oC
0,163
0,354
0,496
0,659
0,839
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diketahui titik beku larutan glukosa 1 m adalah -1,8°C. Titik beku larutan MgBr2 3 m adalah .... °C (Kf air = 1,86°C/m)
-16,2
-10,8
-5,4
-3,6
-1,08
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Larutan yang isotonis dengan larutan NaCl 0,3 M adalah ....
Al2(SO4)3 0,1 M
CaSO4 0,2 M
K2CrO4 0,2 M
FeCl3 0,25 M
C6H12O6 0,5 M
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Larutan berikut yang memiliki titik beku paling rendah adalah larutan ....
NaCl 0,2m
CaCl2 0,3 m
Mg(NO3)2 0,4 m
KCl 0,5 m
C12H22O11 0,8 m
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Tekanan osmosis larutan CaCl2 0,01 M pada suhu 27°C adalah .... atm
0,022
0,066
0,246
0,738
1,246
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Pada suhu 25°C, tekanan osmosis darah sebesar 7,7 atm. Konsentrasi larutan glukosa sebagai infus dalam g/L agar isotonis dengan tekanan darah adalah ....
6,30
28,34
44,01
56,72
85,02
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