Suatu unsur senyawa dengan Mr = 40 mengandung 90% unsur karbon dan 10% unsur hidrogen. maka rumus molekul senyawa tersebut adalah.... Ar C = 12, Ar O =16
Remedial Kadar Zat

Quiz
•
Chemistry
•
10th Grade
•
Medium
halima arahman
Used 48+ times
FREE Resource
10 questions
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1.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
C2H4
C3H4
C2H6
C3H6
C4H6
2.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Persen besi yang terdapat di dalam FeSO4, jika diketahui Ar Fe = 56, Ar S = 32, Ar O = 16 adalah....
36,84%
40%
73,68%
80%
90%
3.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Kadar sulfur dalam pupuk ZA (NH4)2SO4 adalah.... Ar N =14, S = 32, H =1, O = 16.
12,12%
24,24%
36,36%
48,48%
60,60%
4.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Di dalam udara kering yang bersih terdapat gas karbon dioksida sebanyak 0,03% volume. maka kadar gas tersebut dalam bpj (ppm) adalah....
3 bpj
30 bpj
300 bpj
3000 bpj
30000 bpj
5.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Zat penyedap masakan (MSG) merupakan senyawa yang mengandung nitrogen dengan kadar 9%. jika massa molar (Mr) MSG = 155 gram/mol, maka jumlah atom nitrogen dalam setiap molekul MSG adalah .... Ar N = 14
1
2
3
4
5
6.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Massa oksigen di dalam senyawa oksida XO3 adalah 60%. Jika Ar O =16, Ar X adalah....
120
60
48
32
24
7.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Volume alkohol (dalam mL) yang terlarut dalam 1000 mL larutan alkohol yang memiliki kadar 40% adalah.....
200 mL
300 mL
400 mL
500 mL
600 mL
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