
Sifat koligatif larutan elektrolit

Quiz
•
Chemistry
•
12th Grade
•
Easy
Emmi Dwiastuti
Used 10+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diberikan senyawa berikut:
NaCl, K2SO4, CO(NH4)2 dan glukosa
Urutan kenaikan titik didih dari yang terendah adalah.....
glukosa - CO(NH4)2 - NaCl - K2SO4
NaCl - K2SO4 - CO(NH4)2 - glukosa
CO(NH4)2 - glukosa - K2SO4 - NaCl
K2SO4 - NaCl - glukosa - CO(NH4)2
NaCl - glukosa - K2SO4 - CO(NH4)2
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jika Kf = 1,86 berapakah titik beku larutan CaCl2 0,54 molal jika titik beku pelarut murni 0oC ?
4,0
3,0
-2,7
-3,0
-5,0
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Tekanan uap air jenuh pada suhu 29 °C adalah 30 mmHg. Pada suhu yang sama, dibuat larutan NaOH dengan melarutkan 4 gram NaOH dengan 90 gram air, jika NaOH terionisasi sempurna, maka tentukan tekanan uap larutan NaOH! (Ar Na= 23, O = 16, H=1)
29,41 atm
28,85 atm
1,15 atm
0,59 atm
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Larutan yang isotonis dengan NaCl 0,3 M adalah ....
Na2SO4 0,3 M
KNO3 0,2 M
urea 0,1 M
glukosa 0,6 M
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Larutan asam cuka (CH3COOH) 0,035 M mempunyai tekanan osmosis 0,93 atm pada 22 °C. Persen ionisasi larutan tersebut adalah ….
5 %
10 %
15 %
35 %
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Titik didih larutan 0,1 m K2SO4 pada tekanan 1 atm adalah …. (Kb air = 0,52℃ kg mol-1 = 0,52℃ m-1 dan K2SO4 dianggap terionisasi sempurna)
0,156℃
99,85℃
100℃
100,156℃
109,56℃
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Larutan 0,1 mol C6H12O6, NaCl dan Na3PO4 masing-masing dalam 1000 gram air, didihkan. Pernyataan yang benar bila kenaikan titik didih ketiga larutan tersebut dibandingkan terhadap larutan Na2SO4 dengan konsentrasi yang sama adalah..
ΔTb Na2SO4 = 3/2 ΔTb NaCl
ΔTb Na2SO4 = 4/3 ΔTb Na3PO4
ΔTb Na2SO4 = 1/3 ΔTb C6H12O6
ΔTb Na2SO4 = 2/3 ΔTb NaCl
ΔTb Na2SO4 = 3/2 ΔTb molal
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