
Remedial Questions - Colligative Properties
Authored by Abdul Ghofir
Professional Development
Professional Development
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28 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah larutan glukosa 0,2 M (Mr = 180) dan larutan NaCl 0,1 M dibuat dalam air. Tentukan rasio tekanan osmotik larutan glukosa terhadap larutan NaCl pada suhu yang sama.
1 : 1
1 : 2
2 : 1
1 : 4
4 : 1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Titik beku dari larutan urea 2 molal (non elektrolit) dalam air (Kf = 1,86 °C kg/mol). Hitunglah penurunan titik bekunya.
1,86 °C
2,72 °C
3,72 °C
4,00 °C
5,00 °C
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah larutan CaCl₂ 0,1 M dalam air. Jika α = 0,9 (derajat ionisasi), hitung faktor van't Hoff (i).
2,7
2,8
2,9
3,0
3,1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah larutan Na₂SO₄ 0.1 m (α = 0.8) dalam air. Tentukan i.
2.6
2.8
2.9
3.0
3.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah larutan glukosa 1 m dalam air menurunkan titik beku sebesar 1,86 °C. Jika larutan NaCl 1 m menghasilkan penurunan titik beku sebesar 3,2 °C, tentukan derajat ionisasi NaCl.
0.85
0.90
0.95
1.00
0.80
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah larutan KNO₃ 0,5 m (i = 2) dalam air. Hitunglah kenaikan titik didih jika Kb = 0,52 °C m⁻¹.
0,26 °C
0,52 °C
0,78 °C
0,91 °C
1,04 °C
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah larutan Al₂(SO₄)₃ 0.2 M (ideal i = 5). Jika α = 0.6, tentukan i.
3.4
3.5
3.6
3.8
4.0
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