Berapa kemolalan larutan urea yang dibuat dengan melarutkan 6 gram urea dalam 100 gram air ? (Mr Urea = 60)
KIMIA SIFAT KOLIGATIF LARUTAN

Quiz
•
Chemistry
•
12th Grade
•
Medium
Purwo Rahadityo
Used 10+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
0,5 molal
0,75 molal
1,00 molal
1,50 molal
1,75 molal
2.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Berapakah fraksi mol CO(NH2)2 dalam suatu larutan yang mengandung 12 gram CO(NH2)2 dalam 90 gram air ?
0,035
0,036
0,037
0,038
0,039
3.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Sifat koligatif larutan adalah sifat yang bergantung pada ….
Jenis zat terlarut
Jenis zat pelarut
Jumlah zat pelarut
Jumlah zat terlarut
Konsentrasi larutan
4.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Sebanyak 11,7 gram NaCl (Mr = 58,5) dilarutkan dalam 500 gram air. Titik didih larutan adalah …. (Kb air = 0,52oC/m)
100,420C
98,90C
50,890C
1000,540C
65,780C
5.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Berapa banyaknya Al2(SO4)3 (Mr = 342) yang harus dilarutkan dalam 250 gram air, agar larutan tersebut membeku pada suhu -3 adalah …. (Kf air = 1,860C/m)
30,5 gram
45,60 gram
27,6 gram
25,5 gram
25,5 gram
6.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Pada suhu 270C, glukosa C6H12O6 (Mr = 180) sebanyak 8,5 gram dilarutkan dalam air sampai volumenya 500 ml R= 0,082 L atm mol-1 K-1. Tekanan osmosis larutan yang terjadi sebesar ….
2,3546 atm
2,3344 atm
2,3123 atm
2,3024 atm
2,3124 atm
7.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Dalam penurunan tekanan uap semakin tinggi temperatur maka ….
Semakin besar tekanan uap zat cair
Sama dengan tekanan uap zat cair
Semakin rendah tekana uap zat cair
Tekanan uap tidak berpengaruh
Tidak ada tekanan uapnya
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