
SIFAT KOLIGATIF LARUTAN XII A
Interactive Video
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Science
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12th Grade
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Practice Problem
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Medium
ABANG AGMUHDANI
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13 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Manakah di antara yang berikut ini BUKAN merupakan sifat koligatif larutan?
Penurunan tekanan uap
Kenaikan titik didih
Ketegangan permukaan
Penurunan titik beku
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Apa yang dinyatakan Hukum Raoult tentang tekanan uap larutan ideal?
Setiap komponen dalam larutan memberikan tekanan uap yang sama dengan fraksi molnya dikalikan dengan tekanan uap komponen murni.
Tekanan uap suatu larutan selalu lebih tinggi daripada tekanan uap pelarut murni.
Tekanan uap suatu larutan tidak bergantung pada fraksi mol zat terlarut.
Tekanan uap suatu larutan berbanding lurus dengan titik didih pelarut.
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Apa rumus yang tepat untuk penurunan tekanan uap (ΔP)?
ΔP = Xt / P°
ΔP = Xt . P°
ΔP = Xt + P°
ΔP = P° - PL
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Suatu larutan dibuat dengan mencampurkan 10 gram urea (Mr=60) dengan 90 gram air (Mr=18). Jika tekanan uap air murni pada suhu kamar adalah 31 mmHg, berapakah tekanan uap larutan tersebut?
31 mmHg
30 mmHg
1 mmHg
29 mmHg
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berapa titik didih suatu pelarut?
Suhu di mana tekanan uap jenuh cairan sama dengan tekanan udara luar.
Suhu saat cairan membeku.
Suhu di mana cairan menguap sepenuhnya.
Suhu di mana cairan menjadi padat.
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Rumus manakah yang tepat menggambarkan kenaikan titik didih (ΔTb)?
ΔTb = Kb × m
ΔTb = Kf × m
ΔTb = Tb larutan - Tb pelarut
ΔTb = Tb pelarut - Tb larutan
7.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
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