Sifat Koligatif Larutan Quiz 2

Sifat Koligatif Larutan Quiz 2

12th Grade

10 Qs

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Sifat Koligatif Larutan Quiz 2

Sifat Koligatif Larutan Quiz 2

Assessment

Quiz

Chemistry

12th Grade

Practice Problem

Medium

Created by

Silmy Siddik

Used 7+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Berapakah molaritas larutan yang dibuat dengan melarutkan 7,4 gram Ca(OH)2 dalam 250 ml liter air (Ar H=1 O=16 Ca=40) …..

0,2M

0,4M

0,6M

0,8M

1M

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Berapakah molalitas larutan yang mengandung 12 gram NaOH (Ar Na = 23 gr/mol, Ar O = 16 g/mol, dan Ar H = 1 gr/mol) terlarut dalam 500 gr air …..

0,6 m

0,4 m

0,2 m

0,1 m

0,8 m

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Sebanyak 72 gram glukosa dilarutkan dalam 200 gram air. Bila tetapan kenaikan titik didih molal (Kb) air = 0,52 oC/m , Tentukan titik didih larutan ! (Titik didih air = 100 oC, Mr Glukosa = 180 gr/mol)

1,04 oC

101,04 oC

100,04 oC

100,416 oC

100,28oC

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Dalam 500 gram air terlarut 15 gram urea (Mr=60). Jika Kf air = 1,86, titik beku larutan urea adalah ...

-0.465

-0,930

0.465

0.930

1.86

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Suatu zat organik sebanyak 0,645 gram yang dilarutkan dalam 50 gram CCl4 memberikan ∆Tb = 0,645oC. Jika Kb pelarut = 5,0oC/m, maka massa molekul relatif zat itu adalah ….

100

90

80

70

50

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

60 gram urea (CO(NH2)2) dilarutkan dalam 90 mL air. Bila tekanan uap jenuh air pada suhu 25 °C adalah 60 cmHg, maka tekanan uap larutan urea tersebut adalah .....( Ar C = 12, O =16, N = 14, H = 1)

10 cmHg

20 cmHg

50 cmHg

60 cmHg

70 cmHg

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Larutan yang mempunyai tekanan uap paling rendah adalah....

C6H12O6 0,1 M

C6H12O6 0,3 M

CO(NH2)2 0,2 M

CO(NH2)2 0,1 M

C12H22O11 0,1 M

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