UAS KIMIA KELAS 12
Quiz
•
Chemistry
•
12th Grade
•
Medium
ANGGY NINGTYAS
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Molalitas 20% larutan H2SO4 dalam air adalah........... (Mr H2SO4 = 98)
2,55
2,45
2,32
2,25
2,15
2.
MULTIPLE CHOICE QUESTION
30 sec • 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
30 sec • 1 pt
Pernyataan yang tepat mengenai sifat koligatif larutan adalah ……
Tekanan osmosis bukan sifat koligatif larutan
Sifat koligatif larutan tergantung pada jenis zat terlarut
Sifat koligatif larutan bergantung pada jumlah partikel zat terlarut
Salah satu sifat koligatif larutan adalah penurunan titik didih larutan
Penurunan tekanan uap merupakan sifat koligatif yang tergantung pada jenis zat
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fraksi mol air dalam suatu larutan pada suhu 20oC dengan tekanan uap jenuh air 24 mmHg adalah 0,4 maka pada suhu tersebut akan terjadi penurunan tekanan uap sebesar….
4,8 mmHg
10,6 mmHg
12,6 mmHg
14,4 mmHg
16,4 mmHg
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebanyak 15 gram zat X dilarutkan dalam 54 gram air akan menghasilkan larutan dengan fraksi mol sebesar ........ (Mr X = 75, Mr air = 18)
0,0625
0,15
0,0725
0,125
0,1625
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fraksi mol zat terlarut dan pelarut jika ke dalam 180 gram air dilarutkan 12 gram urea secara berturut-turut adalah ....... (Mr urea = 60 dan air = 18)
0,02 dan 0,98
0,02 dan 0,99
0,01 dan 0,02
0,01 dan 0,98
0,02 dan 5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tekanan osmotik larutan sukrosa 0,1 M pada suhu 27℃ (R = 0,082) adalah ..... atm
6,00
7,25
4,92
2,46
8,45
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