
tugas skl
Authored by charlotte katakuri
Chemistry
12th Grade
Used 18+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut ini beberapa contoh penerapan sifat koligatif larutan dalam kehidupan sehari-hari.
1. Penyerapan air oleh akar tanaman
2. Penambahan garam dalam pembuatan es putar
3. Penambahan garam untuk mencairkan salju
4. Penggunaan garam untuk membunuh lintah
5. Menambahkan etilen glikol pada radiator mobil
Penerapan tekanan osmotik terdapat pada peristiwa ….
1 dan 3
1 dan 4
2 dan 4
1 dan 2
3 dan 5
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Berapakah massa garam dapur yang harus ditambahkan dalam 5 liter air, agar tidak membeku pada suhu –5 C? (Diketahui Mr garam dapur = 58,5 dan Kf = 1,86.)
714,5 gram
786,3 gram.
393, 2 gram
292,5 gram
31,5 gram
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Larutan urea memiliki tekanan osmosis 0,041 atm pada suhu 25 °C. Berapakah molaritas larutan tersebut?
0,0013 molar
0,0014 molar
0,0015 molar
0,0016 molar
0,0017 molar
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Pada konsentrasi yang sama, larutan-larutan berikut yang memiliki tekanan osmosis paling tinggi adalah ….
CH3COOH
Ca(OH)2
C2H5OH
(NH2)2CO
(NH4)2CO3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika garam NH4Cl dilarutkan dalam air, maka akan terbentuk larutan yang….
titik didih pelarutnya lebih tinggi daripada titik didih larutannya
titik beku pelarutnya lebih rendah daripada titik beku larutannya
tekanan uap jenuh pelarut murninya lebih rendah daripada tekanan uap jenuh larutannya
tekanan osmotik pelarutnya lebih tinggi daripada tekanan osmotik larutannya
pH pelarutnya lebih besar daripada pH larutannya
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
2 gram senyawa MgSO4 dilarutkan dalam 200 gram air. Setelah dipanaskan, larutan MgSO4 mendidih pada suhu 100,056 °C. Jika diketahui Kb air = 0,52, maka derajat ionisasi larutan tersebut adalah ….
0,09
0,12
0,14
0,29
0,36
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut ini adalah sifat koligatif larutan, kecuali......
Penurunan titik didih
Penurunan titik beku
Tekanan osmotik
Penurunan tekanan uap
Kenaikan titik didih
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