
KIMIA KELAS XII
Quiz
•
Chemistry
•
3rd Grade
•
Practice Problem
•
Hard
Awalia Rahmadhani
Used 580+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika suatu larutan mengandung 5% massa NaCl, maka molalitas larutan tersebut adalah… (Ar Na = 23,0; Cl = 35,5; H = 1,0; O = 16,0)
0,5 m
0,6 m
0,7 m
0,8 m
0,9 m
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fraksi mol urea dalam larutan yang mengandung 15% massa urea (CO(NH2)2) adalah… (Ar H = 1,00; C = 12,00; N = 14,00; O = 16,00)
0,05 g
0,5 g
0,7 g
0,8 g
0,85 g
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tekanan uap jenuh pelarut air pada suhu 26oC adalah 25 mmHg. Jika tekanan uap jenuh larutan pada suhu tersebut adalah 20 mmHg, fraksi mol zat terlarut dalam larutan adalah …
0,01
0,1
0,2
0,25
0,3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tekanan uap air pada 5°C diketahui sebesar 23,76 mmHg. Pada suhu yang sama, suatu larutan urea mempunyai tekan uap 23,16 mmHg. Penurunan tekanan uap larutan urea adalah …
0,607 mmHg
0,617 mmHg
0,627 mmHg
0,637 mmHg
0,647 mmHg
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Penurunan titik beku larutan adalah…
Titik didih larutan
Perbandingan titik beku pelarut dengan titik beku larutan
Perbandingan titik beku zat terlarut dengan titik beku larutan
Selisih antara titik beku zat terlarut dengan titik beku larutan
Selisih antara titik beku pelarut dengan titik beku larutan
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut ini adalah sifat koligatif larutan, kecuali….
Penurunan tekanan uap jenuh
Kenaikan titik didih
Isotonic
Penurunan titik beku
Tekanan osmotik
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebanyak 3,5 gram massa zat X dilarutkan dalam 125 gram massa pelarut. Larutan zat X tersebut bersifat isotonic dengan larutan 4 gram glukosa dalam 110 gram air. Jika temperatur kedua larutan sama, maka massa molekul relatif zat X tersebut adalah…
115
235
154
175
135
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