skl24
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Hard
Ratih Dwi
Used 9+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Sebanyak 6 gram urea dilarutkan dalam 90 gram air. Fraksi mol urea dalam
larutan itu adalah ....
0,0164
0,02
0,0625
0,0667
1,1
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Di antara sifat larutan di bawah ini yang tidak termasuk sifat koligatif larutan
adalah ....
Penurunan tekanan uap
Kenaikan titik didih
Kenaikan titik beku
Penurunan titik beku
Tekanan osmosis
3.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Perhatikan larutan berikut.
1) C6H12O6 0,1 M 4) C6H12O6 0,3 M
2) CO(NH2)2 0,2 M 5) CO(NH2)2 0,2 M
3) C12H22O11 0,1 M
Larutan yang mempunyai tekanan uap paling rendah adalah ... .
1
2
3
4
5
4.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Bagan berikut menggambarkan larutan dengan berbagai konsentrasi
Bagan yang menunjukkan titik didih larutan paling tinggi adalah....
I
II
III
IV
V
5.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Beberapa contoh penerapan sifat koligatif larutan dalam kehidupan sehari-hari
adalah sebagai berikut.
1. Proses penyerapan air dalam tanah oleh akar tanaman
2. Membasmi lintah dengan menabur garam dapur
3. Pemakaian garam dapur untuk pencairan salju
4. Penambahan etilena glikol pada radiator mobil
Penerapan sifat koligatif yang berkaitan dengan penurunan titik beku larutan
adalah ... .
1 dan 2
1 dan 3
2 dan 3
2 dan 4
3 dan 4
6.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Sebanyak 18 gr glukosa (Mr = 180) dilarut adalam 500 gram air. Jika Kf air = 1,8,
maka titik beku larutan tersebut .....
-0,18°C
+0,36°C
+0,18°C
-0,36°C
-0,72°C
7.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Sebanyak 450 gram glukosa (Mr = 180) dilarutkan dalam 2 kg air (Kb = 0,52) akan
mendidih pada suhu ... °C.
0,65
100
100,325
100,65
100,75
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