Sifat Koligatif Larutan
Quiz
•
Chemistry
•
12th Grade
•
Medium
huda oktalia
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Semua sifat berikut tergolong sifat koligatif larutan, kecuali ....
Penurunan Tekanan Uap
Kenaikan Titik Didih
Penurunan Titik Beku
Tekanan Osmosis
Kepekatan Larutan
2.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Jika tekanan uap pelarut murni adalah P°, tekanan uap larutan adalah P, penurunan tekanan uap larutan ΔP, dan fraksi mol pelarut Xp , serta fraksi mol terlarut Xt , maka hubungan yang benar adalah ....
P = Xp . P°
P = Xt . P°
ΔP = Xp . P°
ΔP = Xt . P
ΔP = (Xp – Xt )P°
3.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Fraksi mol urea dalam air adalah 0,2. Tekanan uap jenuh air murni pada suhu 20 oC sebesar 17,5 mmHg. Maka tekanan uap jenuh larutan pada suhu itu adalah ... mmHg.
3,5
14
17,5
17,7
21
4.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Sebanyak 4 gram zat nonelektrolit dilarutkan dalam 100 gram air ternyata mendidih pada suhu 100,347 °C, maka massa molar zat tersebut adalah ....
30
60
90
120
180
5.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Perhatikan data percobaan penurunan titik beku disamping!
Berdasarkan data percobaan tersebut, maka besarnya penurunan titik beku larutan ditentukan oleh ....
Jenis zat terlarut
Jumlah partikel zat terlarut
Jenis larutan
Jenis pelarut
Perbedaan titik beku pelarut
6.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Sebanyak 20 gram senyawa berikut dalam 100 gram air yang mempunyai titik beku tertinggi adalah ....
Metanol (Mr = 32)
Etanol (Mr = 46)
Urea (Mr = 60)
Glukosa (Mr = 180)
Sukrosa (Mr = 342)
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Berikut ini peristiwa kimia dalam kehidupan sehari-hari :
1. Etilen glikol dapat ditambahkan ke dalam radiator mobil
2. Desalinasi air laut.
Kedua contoh di atas berhubungan dengan sifat koligatif larutan secara berturut- turut....
Penurunan titik beku dan osmosis balik
Penurunan tekanan uap dan tekanan osmosis
Tekanan osmosis dan kenaikan titik didih
Kenaikan titik didih dan penurunan titik beku
Penurunan titik beku dan kenaikan titik didih
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