
Penurunan tekanan uap
Authored by Nadlilatul Surabaya
Chemistry
University
Used 21+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Fraksi mol urea dalam air adalah 0,2. Tekanan uap jenuh air murni pada suhu 20˚C sebesar 17,5 mmHg. Maka tekanan uap jenuh larutan pada suhu itu adalah …
3,5
14
17,5
17,7
21
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
berikut ini merupakan gambaran molekuler partikel tidak sebenarnya antara pelarut dan zat terlarut.
tekanan uap jenuh larutan paling besar terjadi pada gambar nomor ....
1
2
3
4
5
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Tekanan uap air jenuh pada suhu 300c adalah 31,8 mmHg dan fraksi mol suatu zat dalam air adalah 0,056 mol. pada suhu 300c, tekanan uap larutan adalah ....
1,78 mmHg
17,8 mmHg
28,30 mmHg
30,02 mmHg
33,59 mmHg
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Urea sebanyak 30 gram dilarutkan ke dalam 100 mL air. Fraksi mol urea tersebut adalah …. (Mr air = 18, Mr urea = 60, ρ air = 1 g/mL)
0,80
0,50
0,08
0,92
0,20
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Tekanan uap air jenuh pada suhu 250C adalah 23,76 mmHg. Jika 34,2 gram sukrosa dilarutkan dalam 270 gram air (Mr sukrosa = 342, Mr air = 18), maka tekanan uap larutan adalah ….
23,6 mmHg
2,36 mmHg
0,09 mmHg
25 mmHg
95,3 mmHg
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