Sifat Koligatif Larutan - 12 Kimia
Quiz
•
Chemistry
•
12th Grade
•
Hard
Agustinus Kantale
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Beberapa contoh penerapan sifat koligatif larutan dalam kehidupan sehari-hari adalah sebagai berikut:
(1) menentukan massa molekul relatif
(2) pemakaian urea untuk mencairkan salju
(3) membasmi lintah dengan garam dapur
(4) penambahan glikol pada radiator mobil
(5) proses penyerapan air dalam tanah oleh akar
(1) dan (4)
(1) dan (2)
(3) dan (5)
(2) dan (3)
(1) dan (3)
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diagram berikut menyatakan diagram P-T air, larutan urea 0,4 m. Titik beku larutan urea 0,4 m dinyatakan oleh .....
A
C
E
B
E
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sebanyak 3,2 gram suatu zat non elektrolit dilarutkan dalam 200 gram air. Larutan tersebut mendidih pada suhu 100,02oC. Maka besarnya massa molekul relatif (Mr) zat non elektrolit tersebut jika diketahui harga Kb = 0,5 adalah ...
250
300
350
400
500
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pernyataan yang tidak benar tentang sifat koligatif larutan adalah ....
titik beku larutan lebih tinggi dari titik beku pelarutnya
titik didih larutan lebih tinggi dari titik didih pelarutnya
tekanan uap larutan lebih tinggi dari tekanan uap pelarutnya
titik beku larutan elektrolit lebih tinggi dari titik beku larutan nonelektrolit dengan konsentrasi yang sama
tekanan osmotik larutan elektrolit sama dengan tekanan osmotik larutan nonelektrolit dengan konsentrasi yang sama.
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
If 0.68 grams of a binary electrolyte (Mr=204) is dissolved into 100 grams of water and boils at a temperature of 100,026 OC (Kb water = 0.52 OC/m), the above degree of electrolyte ionization is
0,75
0,70
0,60
0,50
0,25
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Three grams of X substance dissolved into 100 grams of benzene causing a boiling point increase is 0.54 C. What is the relative molecular mass (Mr) of substance X? (Kb benzene = 2.52 C/m)
15
30
60
120
140
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
504 grams of NaOH solution 0.2 molal mixed with 268 grams of glucose solution 0.4 molal. Specify the freezing point of the solution (Ar Na=23; 0=16; H=1; C=12). Kf water = 1.86 C/m!
0,744 C
-0,744 C
0,372
-0,372
-0,186
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