UH Sifat Koligatif Larutan

Quiz
•
Chemistry
•
12th Grade
•
Easy
Rajamuddin Sidabalok
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
OPEN ENDED QUESTION
3 mins • 10 pts
Ke dalam 900 gram air dilarutkan 24 gram urea CO(NH2). Bila pada suhu yang sama tekanan uap jenuh air adalah 25,20 mmHg. Tentukan tekanan uap jenuh larutan yang terjadi.
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2.
OPEN ENDED QUESTION
5 mins • 10 pts
Ke dalam 600 mL Benzena C6H6 dilarutan 512 mgram Naftalena. Larutan yang terjadi tekanan uap jenuhnya 30 mmHg. Bila tekanan uap jenuh benzena pada suhu yang sama adalah 30,02 mmHg, massa jenis Benzena 0,78 gram/mL. Tentukanlah Mr.Naftalena ?
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3.
OPEN ENDED QUESTION
5 mins • 10 pts
Diketahui titik didih larutan suatu zat non elektrolit dalam air adalah 100,260 C. Kb air = 0,520 C/m, Kf air = 1,80 C/m tekanan uap jenuh air = 25 mmHg. Tentukanlah
a. titik beku larutan
b. tekanan uap jenuhnya
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
Tentukan titik didih dan titik beku larutan yang terjadi jika 3,60 gram glukosa C6H12O6 dilarutkan dalam 250 gram air. Kb air = 0,520C/m dan Kf air = 1,80C/m
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5.
OPEN ENDED QUESTION
3 mins • 10 pts
Jika titik beku larutan 0,02 m glukosa dalam air adalah -0,00360C. Berapakah titik beku larutan 0,02 m NaCl.
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6.
OPEN ENDED QUESTION
5 mins • 10 pts
Ke dalam 400 gram air dilarutkan 5,04 gram kristal asam oksalat H2C2O4.2H2O. Bila 40% dari asam ini terionisasi. Tentukan titik beku dan titik didih larutan yang terjadi Kb dan Kf air berturut-turut adalah 0,520C/m dan 1,80C/m
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7.
OPEN ENDED QUESTION
5 mins • 10 pts
Sebanyak 100 gram suatu larutan dibuat dengan mencampurkan 10 gram urea ( Mr = 60) dan 90 gram air ( Mr = 18 ). Jika tekanan uap air pada suhu ruangan adalah 31 mmHg, berapakah tekanan uap larutan ?
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