Latihan konsentrasi dan penurunan tekanan uap XII

Quiz
•
Chemistry
•
3rd Grade
•
Hard
Septy Widyastuti
Used 28+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sebanyak 4 gram NaOH dilarutkan dalam 100 gram air. Jika (Ar Na=23, O=16, H=1), tentukan molalitas larutan NaOH
0,1 molal
1 molal
10 molal
0,01 molal
2 molal
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Larutan asam klorida (HCl) pekat tersedia di laboratorium dengan konsentrasi 11,8 M. Jika Mr HCl = 36,5 dan massa jenisnya 1,18 g/mL, kadar asam klorida pekat adalah sebesar ...
1,00%
3,56%
7,10%
10%
36,5%
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Berapa molaritas larutan 0,4 mol HCl dalam 2 L larutan?
0,2 M
0,5 M
1 M
1,2 M
20 M
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Berikut ini yang bukan merupakan sifat koligatif larutan adalah ....
penurunan tekanan uap
kenaikan titik didih
penurunan konsentrasi
tekanan osmotik
penurunan titik beku
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Perbandingan dari jumlah mol zat terlarut terhadap jumlah mol larutan dinyatakan dengan….
Fraksi mol zat terlarut
Fraksi mol larutan
Fraksi mol pelarut
Molalitas larutan
Molalitas zat terlarut
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Berapakah fraksi mol air jika ke dalam 90 gram air dilarutkan 15 gram asam cuka (CH3COOH) ........
(Ar C = 12, H = 1, O = 16)
0,95
0,5
0,095
0,09
0,05
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jika 0,1 mol gula dilarutkan dalam 1 mol air, dan tekanan uap air pada suhu tertentu 100 mmHg. Maka besarnya penurunan tekanan uap larutan tersebut adalah ……….. mmHg
18
80
0,8
9
1,8
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