
perhitungan kimia

Interactive Video
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Chemistry
•
11th Grade
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Easy
Baharuddin SMAN 9 JENEPONTO
Used 1+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam persamaan reaksi yang sudah setara, perbandingan koefisien zat-zat yang bereaksi sama dengan perbandingan apa?
Massa
Volume
Mol
Jumlah partikel
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebanyak 54 gram logam Al (Ar=27) direaksikan dengan larutan H2SO4 sesuai reaksi 2Al(s) + 3H2SO4(aq) -> Al2(SO4)3 + 3H2(g). Berapakah volume gas H2 yang dihasilkan pada keadaan STP?
22,4 L
44,8 L
67,2 L
89,6 L
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi pembentukan amonia dari gas hidrogen dan gas nitrogen adalah N2(g) + H2(g) -> NH3(g). Setelah disetarakan, bagaimana persamaan reaksi yang benar?
N2(g) + H2(g) -> NH3(g)
N2(g) + 2H2(g) -> 2NH3(g)
2N2(g) + 3H2(g) -> 2NH3(g)
N2(g) + 3H2(g) -> 2NH3(g)
4.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
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5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapa jumlah molekul amonia (NH₃) yang terbentuk jika 16,8 liter gas hidrogen (STP) direaksikan dengan gas nitrogen? (Diketahui bilangan Avogadro = 6,02 x 10²³)
1,505 x 10²³ molekul
3,01 x 10²³ molekul
4,515 x 10²³ molekul
6,02 x 10²³ molekul
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapa volume gas NO yang dihasilkan jika 16,8 gram serbuk besi (Fe) dimasukkan ke dalam larutan asam nitrat berlebih, pada keadaan yang sama dengan 1 liter gas N₂ bermassa 8,4 gram? (Diketahui Ar Fe = 56, N = 14)
0,3 liter
0,5 liter
1,0 liter
2,0 liter
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