Penurunan Tekanan Uap

Quiz
•
Chemistry
•
12th Grade
•
Medium
PKU21_079_ Najla
Used 3+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang terjadi pada tekanan uap sebuah larutan jika zat terlarut ditambahkan ke dalam pelarut?
Tekanan uap larutan meningkat
Tekanan uap larutan tetap sama
Tekanan uap larutan menurun
Tekanan uap larutan menjadi tidak terukur
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berdasarkan Hukum Raoult, tekanan uap larutan dapat dihitung dengan rumus:
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika 10 gram garam dilarutkan dalam 100 gram air, apa yang terjadi pada tekanan uap air setelah penambahan garam?
Tekanan uap air meningkat
Tekanan uap air tetap sama
Tekanan uap air menurun
Tekanan uap air tidak dapat diprediksi
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika tekanan uap air murni pada suhu tertentu adalah 25 mmHg, dan fraksi mol air dalam larutan garam adalah 0,8, maka tekanan uap larutan garam tersebut adalah:
25 mmHg
20 mmHg
15 mmHg
10 mmHg
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mengapa penambahan garam ke dalam air menyebabkan penurunan tekanan uap?
Garam meningkatkan fraksi mol pelarut
Garam mengurangi fraksi mol pelarut dan mengganggu penguapan
Garam mengurangi viskositas air
Garam meningkatkan suhu didih air
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mana yang benar tentang fraksi mol pelarut dalam larutan?
Fraksi mol pelarut meningkat saat zat terlarut ditambahkan
Fraksi mol pelarut tetap sama saat zat terlarut ditambahkan
Fraksi mol pelarut menurun saat zat terlarut ditambahkan
Fraksi mol pelarut tidak mempengaruhi tekanan uap
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