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Kelas XII : Tes ke-1 Fraksi mol dan kemolalan

Authored by Agus Saputra

12th Grade

Used 27+ times

Kelas XII : Tes ke-1 Fraksi mol dan kemolalan
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3 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Sebanyak 15 gram asam cuka, CH3COOH dilarutkan ke dalam 90 gram air. besarnya fraksi mol zat terlarut yang terbentuk adalah...(Ar C = 12; H = 1; O = 16)

0,02

0,03

0,04

0,05

0,06

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Dalam 200 gram air terdapat 2,8 gram KOH. kemolalan larutan tersebut adalah....(Ar K = 39; O = 16; H = 1)

0,25

0,50

1,00

2,50

5,00

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Suatu larutan H2SO4 0,1 molal artinya....(Mr = 98)

Dalam 1000 mL larutan terdapat 0,1 mol H2SO4

Dalam 1000 gram pelarut terdapat 0,1 mol H2SO4

Dalam 1000 gram larutan terdapat 49 gram H2SO4

Dalam 1000 mL larutan terdapat 49 gram H2SO4

Dalam 1000 mL pelarut terdapat 98 gram H2SO4

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