TO KIMIA 1
Quiz
•
Chemistry, Science
•
1st Grade
•
Practice Problem
•
Hard
Standards-aligned
Yenti Floriska
Used 16+ times
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40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sebanyak 32,5 gram logam Seng (Zn) direaksikan dengan asam klorida (HCl) pada suhu 25 oC dan tekanan 1 atm. Besarnya volume gas H2 yang dihasilkan pada STP adalah ….
(Ar Zn = 65)
22,4 L
5,6 L
3,05 L
12,2 L
11,2 L
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
?
A
B
C
D
E
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika unsur X memiliki massa atom relatif 32, unsur A memiliki massa atom relatif 15, dan unsur P memiliki massa atom relatif 6. Maka Mr X2A3P5 adalah ....
53
85
100
119
139
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Seorang peneliti menemukan suatu senyawa yang mengandung 6 gram unsur H, 320 gram unsur S dan 64 gram unsur O. Jika Ar H = 1, S = 32, O = 16, maka rumus molekul senyawa tersebut adalah ....
C3H5O
C6H10O2
CH32O16
C6H10O4
C2H5O
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Sebanyak 45 L gas P mengandung 1,5 mol partikel. Jika volume gas tersebut naik menjadi 2,0 mol partikel, jumlah mol gas tersebut menjadi ... (P dan T sama)
60 L
33,75 L
45 L
13,5 L
30 L
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Molaritas 16,2 gram HBr dalam tabung dengan volume 0,05 L adalah ....
1 M
2 M
3 M
4 M
5 M
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Seorang peneliti sedang meneliti suatu senyawa yang memiliki rumus molekul X3Y2. Jika senyawa tersebut memiliki massa 345 gram dan dilarutkan dalam 800 gram air, maka molalitas senyawa X3Y2 tersebut adalah .... ( Ar X = 13 dan Ar Y = 15 )
6,25 molal
15,4 molal
2,97 molal
0,625 molal
1,54 molal
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