
Stoikiometri Science X
Authored by Dwi Handayani
Chemistry
1st Grade - Professional Development
Used 11+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
- Dalam reaksi kimia, ada kalanya tidak semua pereaksi habis. Artinya…
A. Jumlah maksimum produk reaksi ditentukan oleh pereaksi yang habis bereaksi
B. Produk reaksi hanya terbentuk dari bagian pereaksi yang berubah
C. Jumlah mol zat-zat tidak terlibat dalam reaksi
D. Tidak semua pereaksi yang tersedia bereaksi sesuai dengan perbandingan koefisien atau stoikiometri reaksinya
E. Semua salah
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
2.Melalui persamaan reaksi, maka massa mol, volume gas dan jumlah partikel setiap zat yang terlibat dalam reaksi kimia dapat dihitung. Pendekatan ini disebut…
A. Rumus empiris
B. Metode mol
C. Rumus molekul
D. Massa atom relatif
E. Pereaksi pembatas
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
3.Yang termasuk dalam kadar zat yaitu? Kecuali !
A. Persen massa
B. Persen volume
C. Volume molar
D. Fraksi mol
E. Bagian per juta (bpj)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4.. Berapa gram massa Ca dari 6 mol, Jika (Ar Ca = 40 ) ?
A. 260 gram
B. 250 gram
C. 240 gram
D. 230 gram
E. 220 gram
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
5.Dalam 15,9 gram senyawa tembaga (I) sulfida (Ar: Cu = 63,5 dan S= 32), maka terdapat Cu sebanyak ….
A. 6,35 g
B. 25,40 g
C. 15,00 g
D. 15,90 g
E. 12,70 g
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
6.Berikut merupakan persamaan reaksi pembentukan gas SO3:
SO2(g) + O2(g) → SO3(g)
Jika gas oksigen yang digunakan sebanyak 12 L, maka volume gas SO3 yang dihasilkan adalah....
A. 6 liter
B. 12 liter
C. 18 liter
D. 24 liter
E. 36 liter
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
7.Perhatikan reaksi pembentukan amonia berikut:
N2(g) + H2(g) ⇌ NH3(g)
Pada suhu dan tekanan yang sama, perbandingan volume gas-gas yang terlibat dalam reaksi tersebut secara berurutan adalah….
A. 1 : 1 : 1
B. 1 : 3 : 2
C. 2 : 2 : 3
D. 2 : 3 : 1
E. 2 : 1 : 3
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