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PERHITUNGAN SIFAT KOLIGATIF

PERHITUNGAN SIFAT KOLIGATIF

Assessment

Interactive Video

Chemistry

12th Grade

Hard

Created by

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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