Stoikiometri
Quiz
•
Other
•
10th Grade
•
Medium
Sinau Kimia
Used 174+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Nitrogen gas reacts with hydrogen gas to form ammonia
gas according to the reaction:
N2
(g) + H2 (g) → NH3 (g) (not balance)
If 6 L of
hydrogen gas is involved in the reaction, the volume of ammonia gas produced
is…
3 liter
4 liter
6 liter
12 liter
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Pada suhu dan tekanan tertentu, 1 liter gas NO massanya 1 gram.
Bila diukur pada suhu dan tekanan yang sama, massa 3 liter gas CH4 adalah...
(Ar N = 14; O = 16; C = 12; H = 1)
16 gram
8 gram
4,0 gram
1,6 gram
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Unsur X massanya 7 gram bergabung dengan oksigen membentuk 19 gram senyawa X2O3, maka Ar X adalah...
12 gram
14 gram
16 gram
28 gram
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Dalam menyelesaikan soal stoikiometri, langkah pertama yang harus dilakukan adalah...
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Gas CO2 dialirkan ke dalam larutan jenuh Ca(OH)2 hingga terjadi reaksi:
Ca(OH)2 (aq) + CO2 (g) → CaCO3 (s) + H2O (l)
Jika gas CO2 yang telah bereaksi sebanyak 0,1 mol, maka endapan CaCO3 yang terbentuk adalah...
(Ar Ca = 40, C = 12; O = 16)
0,1 gram
10 gram
100 gram
98 gram
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Logam aluminium yang massanya 5,4 gram direaksikan dengan asam sulfat encer menurut reaksi:
Al (s) + H2SO4 (aq) → Al2(SO4)3 (aq) + H2 (g)
Volume gas hidrogen yang dihasilkan pada keadaan standar adalah...
(Ar Al = 27)
0,2 liter
3,2 liter
6,5 liter
6,72 liter
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika larutan yang mengandung 2 mol Pb(NO3)2 direaksikan dengan larutan yang mengandung 2 mol KI sesuai reaksi:
Pb(NO3)2 (aq) + 2 KI (aq) → PbI2 (s) + 2 KNO3 (aq)
Maka akan dihasilkan PbI2 sebanyak....
4 mol
2 mol
1 mol
0,5 mol
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