Stokiometri - C

Quiz
•
Chemistry
•
10th Grade
•
Hard
Syamsuddin Hiymu
FREE Resource
35 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Agar dapat menghasilkan 9 gram air, maka 7 gram hidrogen harus dibakar dengan ok- sigen sebanyak (Ar H =1, 0 .16) ....
2 gram
4 gram
6 gram
8 gram
10 gram
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada pembakaran 12 gram suatu persenyawaan karbon dihasilkan 22 gram gas CO2 (Ar C = 12, O =16). Unsur karbon senyawa tersebut adalah ….
23%
27%
50%
55%
77%
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Untuk pembakaran sempurna 5 mol gas propana (C3H8) dibutuhkan gas oksigen sebanyak
55 mol
45 mol
35 mol
25 mol
15 mol
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada pembakaran sempurna satu mol alkohol, CnH2n+1OH, dihasilkan air sebanyak ….
1 mol
n + mol
n + 1 mol
2n + 1 mol
2n + 2 mol
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gas asetilena C2H2 bila dibakar akan meng-hasilkan gas CO2 dan H20. Kalau gas asetilena yang dibakar sebanyak 260 gram, maka oksigen yang diperlukan adalah …..
880 gram
800 gram
650 gram
180 gram
128 gram
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika KCIO3 dipanaskan akan terurai menjadi KCI dan O2. Pemanasan 245 gram KCIO3 (massa molekul relatif = 122,5) akan menghasilkan gas oksigen sebanyak ….
32 gram
48 gram
64 gram
80 gram
96 gram
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada suhu dan tekanan tertentu, volum 1 gram gas NO = 1,28 liter. Pada suhu dan tekanan yang sama, volum gas yang terjadi pada pembakaran sempurna 4 gram bele-rang (BA = 32, O = 16, N = 14) adalah ….
4,8 liter
3,6 liter
5,12 liter
10,24 liter
0,36 liter
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