
PAS KIMIA KELAS XII MIPA
Authored by SMAN Tambelang
Chemistry
12th Grade
20 Questions
Used 217+ times

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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Molalitas (kemolalan) adalah pernyataan kosentrasi yang menunjukkan 1 mol zat terlarut dalam ….
1 L larutan
1 kg larutan
1 L pelarut
1 kg pelarut
1 g pelarut
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Jika 30 g urea (Mr = 60 g mol-1) dilarutkan dalam 90 g air (Mr = 18 g mol-1), fraksi mol urea dalam larutan tersebut adalah ….
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Persentase methanol, CH3OH (Mr = 46), dalam air (Mr air = 18) sebesar 46% massa. Fraksi mol metanol dalam larutan tersebut adalah ….
0,15
0,25
0,50
0,75
0,90
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Jika 49 g H2SO4 (Mr = 98 g mol-1) dilarutkan dalam 2 kg air, kemolalan larutan H2SO4 yang terbentuk adalah …
0,20 m
0,50 m
0,25 m
0,40 m
0,30 m
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Penurunan tekanan uap berbanding lurus dengan ….
kemolaran zat terlarut
kemolalan zat terlarut
fraksi mol zat terlarut
fraksi mol zat pelarut
persen zat terarut
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Di antara larutan berikut yang memiliki tekanan osmotik terbesar pada suhu yang sama adalah ….
KCl(aq) 0,2 M
CO(NH2)2(aq) 0,3 M
CaCl2 (aq) 0,2 M
C6H12O6(aq) 0,4 M
HCl (aq) 0,2 M
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Larutan yang memiliki titik beku sama dengan larutan glukosa 0,02 M adalah ….
urea 0,01 M
NaCl 0,01 M
BaCl2 0,01 M
gula 0,02 M
C3COOH 0,01 M
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