UH FRAKSI MOL
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
wulan sari
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu zat A dilarutkan dalam air untuk memperoleh harga konsentrasi tertentu. Rumus fraksi mola zat A adalah .....
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapakah molalitas larutan yang mengandung 12 gram NaOH (Ar Na = 23 gr/mol, Ar O = 16 g/mol, dan Ar H = 1 gr/mol) terlarut dalam 500 gr air …..
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapa molalitas larutan yang dibuat dengan melarutkan 6 gram urea CO(NH2)2 dalam 2 kg air ….. (Mr CO(NH₂)₂ = 60 gr/mol)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NaOH ( Mr = 40 gr/mol ) sebanyak 4 gram dilarutkan kedalam air sehingga volumenya menjadi 150 mL. Berapakah kemolaran larutan tersebut …..
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapa fraksi mol setiap komponen dari campuran 0,2 mol O2 dan 0,5 mol N2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada campuran 180 gram glukosa, C6H12O6 (Mr = 180) dengan 342 gram aquades (H2O), nilai fraksi mol pelarut adalah......
0,85
0,95
0,15
0,05
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut ini adalah sifat koligatif larutan, kecuali......
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