
SOAL KONSENTRASI KELAS XII
Quiz
•
Chemistry
•
3rd Grade
•
Practice Problem
•
Medium
purwani praptiningsih
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebanyak 6 gram urea (Mr = 60) dilarutkan dalam 90 gram air (Mr = 18). Fraksi mol urea dalam larutan itu adalah ....
0,0625
0,0667
0,01
0,02
1,10
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fraksi mol larutan methanol CH3OH dalam air adalah 0,50. Kosentrasi methanol dalam arutanini dinyataan dalam persen berat methanol adalah …. Ar C = 12, O = 16, H =1
54%
60%
62 %
63%
64%
3.
MULTIPLE CHOICE QUESTION
30 sec • 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)
0,5 molal
0,43 molal
0,4 molal
0,3 molal
0,25 molal
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Didalam suatu larutan yang telah dibuat dari 5 gram kristal NaOH yang dilarutkan ke dalam air hingga volumenya 500 mL, konsentrasinya adalah …. (Mr NaOH = 40)
0,1 mol/L
0,25 mol/L
0,35 mol/L
0,5 mol/L
0,7 mol/L
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika didalam zat terlarut dan zat pelarut ada 200 gram air dan dilarutkan 30 gram asam cuka (CH3COOH) fraksi molnya zat terlarut adalah (Ar C = 12, H= 1, O = 16) ….
0,943
0,945
0,957
0,975
0,987
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