
quizizz SKL

Quiz
•
Chemistry
•
3rd Grade
•
Medium
Tenty Simanjuntak
Used 12+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kenaikan titik didih 36 gram glukosa (Mr = 180) dalam 250 gram air. Jika diketahui Kb air = 0,52 adalah......°C
0,116
0, 216
0,316
0,416
0,516
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
.Sebanyak 1,2 gram zat nonelektrolit dilarutkan dalam 100 gram air ternyata mendidih pada suhu 100,2 °C, maka massa molar zat tersebut adalah .... ( kb= 0.5 )
30
60
90
120
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kenaikan titik didih 0,2 molal sukrosa jika diketahui Kb air = 0,51 C/m adalah . . .
0,102
0,204
0,408
100,102
100,204
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dalam 200 ml larutan terdapat 6 gram urea ( Mr = 60 ), maka kemolaran larutan tersebut adalah .... M
0,25
0,50
1,00
2,50
5,00
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika didalam suatu larutan yang dibuat dengan melarutkan 4,5 gram glukosa (C6H12O6) dalam 100 gram air,kemolalanya adalah …. (Ar C = 12, H =1, O = 16)
0,25 molal
0,4 molal
0,3 molal
0,5 molal
0,43 molal
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Suatu zat nonelektrolit yang massanya 8 gram dilarutkan dalam 200 gram air. Larutan itu mendidih pada temperatur 100,8oC. Maka Mr zat tersebut adalah ….(Kb air = 0,51oC)
255
355
155
150
125
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Senyawa X (Mr = 100) yang tidak dapat menghantarkan listrik dilarutkan dalam 250 gram benzen, ternyata memberikan penurunan titik beku (ΔTf) sebesar 1,024o Jika diketahui harga Kf benzen = 5,12oC m-1 maka berat senyawa yang dilarutkan adalah ….
0,5 gr
2,5 gr
5 gr
7,5 gr
10 gr
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