
STOIKIOMETRI KIMIA KELAS X
Quiz
•
Chemistry
•
2nd Grade
•
Medium
Muhamad Nurissalam
Used 5+ times
FREE Resource
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui massa atom relatif (Ar) C = 12 dan O = 16, maka massa 0,2 mol CO2 adalah ....
4,4 gram
8,8 gram
8,8 sma
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dari zat berikut ini, yang mempunyai massa terbesar adalah .... (H = 1; C = 12; O = 16)
0,1 mol H2O
1 molekul CO2
3,01 × 10^23 molekul H2
2 mol CH4
1000 lusin atom oksigen
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika diketahui massa atom relatif (Ar) O = 16 dan tetapan Avogadro = 6,02 × 10^23, maka dalam 16 gram oksigen terdapat atom oksigen (o2)sebanyak ....
7,52 × 10^22
3,02 × 10^23
1,25 × 10^23
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
jumlah mol dari 36 gram air (H2O) dengan atom relatif (Ar) H = 1, O = 16, adalah....mol
1
2
3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
JIka 28 gram Nitrogen (N2) , 40 gram CO2, dan 18 gram NH3 (diketahui Ar N=14, C=14, O=16 dan H=1) mempunyai harga mol yang paling besar adalah...
NH3
CO2
N2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika 3,01 × 10^23 atom unsur X massanya 3 gram, maka massa atom relatif unsur itu adalah ....gram
9
6
3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui massa atom relatif (Ar) dari C = 12 dan O = 16. Jika massa karbon dan oksigen sama, maka perbandingan jumlah atomnya (C : O) adalah ....
1 : 2
4 : 3
2 : 3
3 : 4
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