Sifat Koligatif Larutan Quiz 2
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Medium
Silmy Siddik
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Berapakah molaritas larutan yang dibuat dengan melarutkan 7,4 gram Ca(OH)2 dalam 250 ml liter air (Ar H=1 O=16 Ca=40) …..
0,2M
0,4M
0,6M
0,8M
1M
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Berapakah molalitas larutan yang mengandung 12 gram NaOH (Ar Na = 23 gr/mol, Ar O = 16 g/mol, dan Ar H = 1 gr/mol) terlarut dalam 500 gr air …..
0,6 m
0,4 m
0,2 m
0,1 m
0,8 m
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sebanyak 72 gram glukosa dilarutkan dalam 200 gram air. Bila tetapan kenaikan titik didih molal (Kb) air = 0,52 oC/m , Tentukan titik didih larutan ! (Titik didih air = 100 oC, Mr Glukosa = 180 gr/mol)
1,04 oC
101,04 oC
100,04 oC
100,416 oC
100,28oC
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Dalam 500 gram air terlarut 15 gram urea (Mr=60). Jika Kf air = 1,86, titik beku larutan urea adalah ...
-0.465
-0,930
0.465
0.930
1.86
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Suatu zat organik sebanyak 0,645 gram yang dilarutkan dalam 50 gram CCl4 memberikan ∆Tb = 0,645oC. Jika Kb pelarut = 5,0oC/m, maka massa molekul relatif zat itu adalah ….
100
90
80
70
50
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
60 gram urea (CO(NH2)2) dilarutkan dalam 90 mL air. Bila tekanan uap jenuh air pada suhu 25 °C adalah 60 cmHg, maka tekanan uap larutan urea tersebut adalah .....( Ar C = 12, O =16, N = 14, H = 1)
10 cmHg
20 cmHg
50 cmHg
60 cmHg
70 cmHg
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Larutan yang mempunyai tekanan uap paling rendah adalah....
C6H12O6 0,1 M
C6H12O6 0,3 M
CO(NH2)2 0,2 M
CO(NH2)2 0,1 M
C12H22O11 0,1 M
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