Stoikiometri
Quiz
•
Chemistry
•
11th Grade
•
Medium
Luthfi Talitha
Used 3+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Untuk menyatakan massa satu atom suatu unsur atau massa satu molekul digunakan ...
satuan massa atom
massa atom relatif
satuan massa molekul
massa molekul relatif
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Menurut IUPAC dan IUPAP standar satuan massa atom adalah ...
12 x massa 1 atom 12C
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Berapa massa atom relatif dari atom O?
1
12
16
8
4.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Berapa gram massa unsur oksigen dalam 11 gram karbon dioksida? (Ar C=12, O=16)
3 gram
11 gram
8 gram
4 gram
5.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Jika diketahui Ar C=12, H=1, dan O=16, berapa gram massa 0,5 mol CH3COOH?
60 gram
30 gram
6 gram
3 gram
6.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Berapa liter volume dari 3,5 gram larutan NH4OH (Ar N=14, O=16, H=1) bila diukur suhu 0oC pada tekanan 1 atm?
22,4 liter
2,24 liter
11,2 liter
1,12 liter
7.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Hitunglah volume dari 3,2 gram gas O2 diukur pada suhu 27oC , 1 atm. (Ar O=16; R=0,082 L atm/mol K; T= ... + 273K)
2,46 liter
2,24 liter
4,92 liter
1,12 liter
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