

PERHITUNGAN SIFAT KOLIGATIF
Interactive Video
•
Chemistry
•
12th Grade
•
Hard
Evi Rohimah
FREE Resource
4 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui pelarut air (P° = 25 mmHg pada suhu tertentu). Jika ke dalam 100 gram air dilarutkan 10 gram glukosa (Mr = 180), maka berapakah tekanan uap larutan?
23,5 mmHg
24,5 mmHg
24,0 mmHg
22,5 mmHg
Answer explanation
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Larutan dari 9 gram glukosa (Mr = 180) dilarutkan dalam 100 gram air. Jika Kb = 0,52°C/m, berapa titik didih larutan?
100,13°C
100,26°C
100,18°C
100,52°C
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ke dalam 200 gram air dilarutkan 3 gram NaCl (Mr = 58,5). Jika Kf = 1,86°C/m dan NaCl terionisasi sempurna, berapa penurunan titik beku?
0,48°C
0,24°C
0,16°C
0,96°C
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Larutan glukosa (C₆H₁₂O₆) 0,2 M berada pada suhu 27°C. Jika diketahui konstanta gas R = 0,082 L·atm/mol·K, maka berapakah tekanan osmosis larutan tersebut?
3,69 atm
2,22 atm
4,92
5,6
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