TUGAS 1 - PENGANTAR SIFAT KOLIGATIF LARUTAN

Quiz
•
Chemistry
•
12th Grade
•
Hard
Herbert Manalu
Used 7+ times
FREE Resource
35 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Molalitas 20 % b/b larutan H2SO4 dalam air adalah… (Mr H2SO4= 98)
2,55
2,45
2,32
2,25
2,15
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Molaritas larutan HCl 1 molal dengan ρ= 1,25 gram/mL ( Mr =36,5) adalah…
2,4
2,0
1,8
1,4
1,2
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kemolalan larutan yang dibuat dengan melarutkan 3,6 gram glukosa (C6H12O6) dalam 50 gram air. ( Mr = 180 ) adalah ....
0,3 m
0,4 m
0,6 m
0,8 m
1,0 m
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Massa urea ( CO(NH2)2 ) ( Mr = 60 ) yang harus dilarutkan ke dalam 200 ml air agar kemolalan larutannya 0,2 m adalah ....
0,8 gram
1,2 geam
1,8 gram
2,4 gram
3,6 gram
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Fraksi mol larutan cuka yang dibuat dengan melarutkan 30 gram asam cuka, CH3COOH ( Mr = 60 ) ke dalam 180 ml air adalah ……
0,25/5,25
0,25/10,25
0,5/5,5
0,5/10,5
0,75/5,75
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Fraksi mol zat terlarut dalam larutan yang mengandung 10% massa NaOH ( Mr = 40 ) adalah……
4,8 x 10-2
5,2 x 10-2
5,6 x 10-2
6,0 x 10-2
6,4 x 10-2
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Satuan dari molalitas adalah?
mol/L
mol/kg
normal
atm
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