
SOAL ULANGAN HARIAN
Authored by Rahmawati M
Chemistry
12th Grade
Used 3+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berapakah molalitas larutan yang dibuat dengan melarutkan 6 gram urea (CO(NH2)2) dalam 100 gram air?
0,1 molal
0,6 molal
1 molal
6 molal
10 molal
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Apabila zat terlarut dilarutkan dalam suatu pelarut maka molekul zat terlarut menghalangi penguapan zat pelarut sehingga menyebabkan ...
Tekanan uap larutan lebih rendah daripada tekanan uap jenuh
Tekanan uap larutan lebih tinggi daripada tekanan uap jenuh pelarut murni
Titik didih larutan lebih rendah daripada titik didih pelarut murni
Titik beku larutan lebih tinggi daripada titik beku pelarut murni
Tekanan osmosis larutan lebih rendah daripada tekanan pelarut murni
3.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Beberapa contoh penerapan sifat koligatif larutan dalam kehidupan : (1) Penyerapan air oleh akar tanaman (2) Penambahan garam pada pembuatan es putar (3) Penambahan garam untuk mencairkan salju (4) Penggunaan garam untuk membunuh lintah (5) Penambahan etilen glikol pada radiator mobil Penerapan sifat koligatif tekanan osmosis ditunjukkan oleh nomor ...
(1) dan (3)
(1) dan (4)
(2) dan (3)
(2) dan (5)
(4) dan (5)
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Tekanan uap air murni pada temperatur 250 C adalah 100 mmHg. Tekanan uap larutan jika ke dalam 90 gram air dilarutkan 18 gram glukosa (C6H12O6) (Ar C=12, H=1 dan O=16) adalah ....
30 mmHg
48 mmHg
80 mmHg
98 mmHg
108 mmHg
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Suatu zat nonelektrolit yang massanya 2 gram dilarutkan dalam 500 gram air. Larutan itu membeku pada temperatur -0,1240C maka Mr zat tersebut jika diketahui Kf air = 1,86oC/molal adalah ...
60
70
80
90
100
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Tekanan osmosis larutan 360 g C6H12O6 (Mr=180 g/mol) dalam 2000 mL larutan pada suhu 27 o C adalah ...
49,2
24,6
19,2
12,3
12,0
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Di daerah pesisir, larutan x garam NaOH (Mr=40 g/mol) dalam 500 gram air mempunyai tekanan uap 1 atm pada suhu 100,8 o C. Jika Kb air=0,5 o C/molal maka harga x adalah ...
4
8
16
32
64
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