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Formatif Koligatif

Authored by Dra Hardiatun

Chemistry

1st Grade

Used 10+ times

Formatif Koligatif
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20 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Kemolalan larutan NaOH 20% dalam air adalah....(Ar H=1, O=16, Na=23)

A. 6,25 m

B. 3,33 mm

C. 1,60 m

D. 0,40 m

E. 0,004

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Larutan dalam air yang mempunyai titik beku paling rendah...

A. Glukosa 0,3 molal

B. Besi(III) Klorida 0,3 molal

C. Alumunium Sulfat 0,3 molal

D. Asam Sulfat 0,2 molal

E. Magnesium Hidroksida 0,1 molal

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Jika larutan CH3COOH 30% memiliki massa jenis 1,04 g mL-1, molaritas larutan CH3COOH tersebut adalah...

A. 5,2 M

B. 6,5 M

C. 7,5 M

D. 8,0 M

E. 9,6 M

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Larutan 0,1 molal berikut yang memiliki titik beku terendah adalah...

A. KOH

B. NH4Cl

C. CO(NH2)2

D. Na2SO4

E. CH3COONa

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Sukrosa (Mr = 342 g mol-1) sebanyak 228 gram dalam 1 liter air mengalami kenaikan titik didih sebesar 0,150C. Tetapan kenaikan titik didih molal sukrosa tersebut sebesar...

A. 0,220C m-1

B. 0,300C m‑1

C. 0,420C m-1

D. 1,220C m-1

E. 2,150C m‑1

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Perhatikan diagram P-T antara air dengan larutan urea berikut!


Berdasarkan grafik tersebut garis beku pelarut ditunjukan garis....

A. L-H

B. L-E

C. K-L

D. K-I

E. K-F

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Suatu larutan non elektrolit dalam air membeku dalam suhu -0,7440C, titik didih larutan tersebut sebesar....(Kb= 0,50C/molal Kf=1,860C/molal)

A. 100,10C

B. 100,20C

C. 100,30C

D. 101,00C

E. 102,00C

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