Kimia II Topik I - Sifat Fisik Larutan
Quiz
•
Chemistry
•
University
•
Practice Problem
•
Hard
Chandra Aldiwijaya
Used 3+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Suatu campuran terdiri atas 15,6 g C6H6 dan 72 g CCl4.
Fraksi mol benzena adalah… (Mr C6H6 = 78; Mr CCl4v= 154)
0,20
0,25
0,30
0,47
0,67
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Suatu larutan urea, (NH2)2CO, mengandung 10% berat urea. Jumlah air yang terdapat dalam 1 kg larutan adalah….
100 g
200 g
400 g
600 g
900 g
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Larutan glukosa dalam air mempunyai penurunan titik beku 0,186 oC. Kenaikan titik didihnya adalah…
0,51 oC
5,1 oC
0,051 oC
0,018 oC
0,72 oC
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Kenaikan titik didih molal ialah kenaikan titik didih yang disebabkan oleh satu mol zat nonelektrolit terlarut dalam….
1 liter larutan
1 liter pelarut
100 gram pelarut
1000 gram pelarut
1000 gram larutan
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Hukum Raoult menyatakan hubungan antara konsentrasi larutan dengan….
Tekanan osmotik
Kenaikan titik didih
Penurunan titik beku
Tekanan uap larutan
Tetapan kesetimbangan
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sifat manakah yang bukan sifat kologatif larutan?
Tegangan permukaan
Penurunan tekanan uap
Kenaikan titik didih
Tekanan osmosis
Penurunan titik beku
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Apabila pada suatu larutan A dan B yang ideal tekanan uap parsial A ialah 80 mmHg dan tekanan uap parsial B ialah 90 mmHg, maka fraksi mol A dalam uap yang berada dalam kesetimbangan dengan larutan ialah….
0,47
0,89
0,53
0,11
0,50
8.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Berapakah massa etilen glikol, HOCH2CH2OH, yang harus ditambahkan ke dalam tiap liter air agar air tersebut membeku pada -12 oC? (Kb air = 1,86 oC/m)
322,3 gram
323,3 gram
400,0 gram
435,3 gram
345,3 gram
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