
Sifat koligatif 2
Presentation
•
Chemistry
•
12th Grade
•
Easy
Retno Nurcahyani
Used 8+ times
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21 Slides • 4 Questions
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Multiple Choice
Pada suhu 50○C, 540 gram air (Mr = 18) memiliki tekanan uap 91,5 mmHg. Jika ke dalam air tersebut ditambahkan 90 gram glukosa (Mr = 180), pada suhu yang sama, Tekanan uap larutan glukosa adalah ...
1,5 mmHg
90 mmHg
91,5 mmHg
93 mmHg
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Multiple Choice
Jika 36 gram larutan glukosa dilarutkan dalam 2 kg air (Mr glukosa = 180 dan Kb air = 0,52○C/m), tentukan titik didih larutan glukosa yang terbentuk
0,052○C
100,052○C
-0,052○C
99,948○C
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Multiple Choice
Urea, CO(NH2)2 yang massanya 15 gram, dilarutkan dalam 250 gram air (Ar H = 1, C = 12, N = 14,O = 16). Jika Kf air = 1,86 oC/m. Titik beku larutan tersebut adalah…
1,86 oC/m
0,46 oC/m
-1,86 oC/m
-0,46 oC/m
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Multiple Choice
Pada suhu 27oC, glukosa C6H12O6 (Mr = 180) sebanyak 7,2 gram dilarutkan dalam air sampai volumenya 400 mL. R = 0,082 L.atm.mol–1. K–1. Tekanan osmotik larutan yang terjadi sebesar….
0,39 atm
2,46 atm
3,90 atm
4,80 atm
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