SIFAT KOLIGATIF LARUTAN
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Medium
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15 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Ke dalam 200 mL air (⍴) = 1 g/mL) dilarutkan suatu basa M(OH)2. Larutan ini mendidih pada suhu 102,6oC. Jika basa tersebut mempunyai Mr = 74 dan mengion 80%, massa basa yang dilarutkan adalah…. (Kb air =0,52oC/molal)
4,35 gram
24,67 gram
28, 46 gram
37,00 gram
74,00 gram
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
1,24oC/molal
1,86oC/molal
3,72oC/molal
5,58oC/molal
7,44oC/molal
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
1
2
3
4
5
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Bacalah informasi berikut!
Di negara yang memiliki musim dingin, proses pencairan es yang terdapat di jalan-jalan dan trotoar dilakukan dengan menaburkan garam ke hamparan salju.
Sifat koligatif larutan yang paling tepat berhubungan dengan fenomena wacana di atas adalah
penurunan tekanan uap
kenaikkan titik didih
penurunan titik beku
tekanan osmosis
kenaikkan tekanan uap
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Bacalah informasi berikut!
Apabila seseorang memerlukan injeksi cairan nutrisi/infus, cairan infus tersebut harus bersifat isotonik dengan cairan dalam darah. Injeksi cairan nutrisi/infus (NaCl, Mr NaCl = 58,5) harus isotonik dengan cairan dalam darah, berkisar 9,84 atm pada suhu ruangan 27°C. Apabila seseorang memerlukan 1 liter cairan infus, massa NaCl yang dibutuhkan adalah…
(R = 0,082 L.atm.mol-1.K-1)
4,68 gram
5,85 gram
11,7 gram
23,4 gram
46,8 gram
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
tekanan uap larutan (1) lebih tinggi daripada larutan (2)
titik beku larutan (1) lebih tinggi daripada larutan (2)
titik didih larutan (1) lebih tinggi daripada larutan (2)
titik didih larutan (1) lebih rendah daripada larutan (2)
titik beku larutan (1) sama dengan titik beku larutan (2)
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
0,20
0,40
0,50
0,75
0,80
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