Tentukan molalitas 0,2 mol BaCl2 yang dilarutkan dalam 500 gram air.

Latihan soal XII MIA 3

Quiz
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Chemistry
•
Professional Development
•
Hard
Pesta Natalina Siburian Siburian
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
0,5 molal
0,3 molal
0,4 molal
0,6 molal
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Hitunglah molalitas larutan yang dibuat dengan melarutkan 6 gram glukosa ( Mr = 180 gr/mol) krdalam 100 gram air.
0,2 molal
0,3 molal
0,4 molal
0,5 molal
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Hitunglah molalitas larutan yang dibuat dengan mencampurkan 30 gram urea ( Mr urea= 60 gr/mol) kedalam 180 gram air
2,77
3,00
3,5
4,0
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Hitunglah kemolalan larutan yang dibuat dengan melarutkan 90 gram glukosa ( Mr=180 gr/mol ) ke dalam 200 gram air.
1,5 molal
2 molal
2,5 molal
3 molal
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
hitunglah kemolalan larutan yang dibuat dengan mencampurkan 56 gram KOH ( Mr KOH = 56 gr/mol ) kedalam 500 gram air.
1 molal
2 molal
3 molal
4 molal
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Berapakah fraksi mol urea dalam suatu larutan yang mengandung 12 gram urea ( Mr ura = 60 gr/mol) kedalam 36 gram air ( Mr air = 18 gr/mol)
0,01
0,04
0,05
0,09
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Tentukan fraksi mol air dalam larutan yang mengandung 12 % massa glukosa ( Mr glukosa = 180 gr/mol dan Mr air = 18 gr/mol)
0,22
0,33
0,44
0,99
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