Sifat Koligatif

Sifat Koligatif

12th Grade

10 Qs

quiz-placeholder

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Sifat Koligatif

Sifat Koligatif

Assessment

Quiz

Chemistry

12th Grade

Practice Problem

Hard

Created by

Sri Octaviyanti Margono

Used 33+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Larutan 1 molal NaOH (Mr = 40) dapat dibuat dari 40 g NaOH dan ...

60 g air

1 L air

air hingga volume larutan menjadi 1 L

1000 g air

960 mL air

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Suatu larutan tersusun dari 2 mol urea dalam 3 mol air, maka fraksi mol urea dalam larutan tersebut adalah...

0,67

1,5

0,4

0,6

1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Semua sifat berikut tergolong sifat koligatif larutan, kecuali...

penurunan tekanan uap

kenaikan titik didih

penurunan titik beku

tekanan osmosis

kepekatan larutan

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Sebanyak 450 gram glukosa (Mr = 180) dilarutkan dalam 2 kg air (Kb = 0,52) akan mendidih pada suhu... oC.

0,65

100

100,325

100,65

100,75

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Dalam 500 gram air terdapat 12 g urea (CO(NH2)2) (Mr = 60). Molalitas larutan urea tersebut adalah...

0,1 m

0,2 m

0,3 m

0,4 m

0,5 m

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Sebanyak 17,1 gram gula tebu (C12H22O11) dilarutkan dalam 500 g air. Kemolalan dari larutan gula tersebut adalah...

(Mr C12H22O11 = 342)

0,05 m

0,01 m

0,1 m

0,5 m

0,2 m

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Urea (CO(NH2)2) dengan Mr = 60 yang massanya 15 gram dilarutkan dalam 250 gram air . Bila Kb = 1,86, maka titik beku larutan tersebut adalah...

0,23 oC

0,46 oC

-0,32 oC

-0,46 oC

-1,86 oC

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