Sumatif Harian Stoikiometri
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Medium
ERNAWATI ERNAWATI
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6 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Yang dimaksud dengan stoikiometri adalah...
Perhitungan matematis reaktan
Perhitungan matematis produk
Perhitungan matematis reaktan dan produk
Perhitungan matematis reaktan dikurangi produk
Perhitungan matematis reaktan ditambah produk
2.
MULTIPLE SELECT QUESTION
5 mins • 3 pts
koefisien a adalah 1
koefisien b adalah 2
koefisien c adalah 3
koefisien d adalah 2
persamaan reaksi sudah setara tidak perlu koefisien
3.
MATCH QUESTION
10 mins • 6 pts
Sebanyak 3,2 gram SO2 mengandung ...
(Ar S = 32 : O =16)
0,05
jumlah mol
1,12 L
volume pada 00C/1 atm
3,01 x 1023
jumlah molekul
4.
MULTIPLE CHOICE QUESTION
10 mins • 2 pts
Rumus empiris dari senyawa yang terdiri dari 45,1% nitrogen, 38,8% karbon, dan 16,1% hidrogen adalah ...
(Ar N=14 : C=12 ; H=1)
CH3N
CH4N
CH5N
CH2N2
C2H4N
5.
MULTIPLE CHOICE QUESTION
10 mins • 2 pts
Berapa massa molekul relatif (Mr) dari C2H5OH? Ar C= 12, O= 16, H= 1
29
30
45
46
47
6.
MULTIPLE CHOICE QUESTION
5 mins • 3 pts
Sebanyak 50 gram gula dilarutkan dalam 200 gram air, maka persentase massa gula dalam air tersebut adalah ....
4%
10%
20%
25%
50%
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