Massa Atom Relatif (Ar), Massa Molekul Relatif (Mr), Konsep
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Dela Arista
Used 12+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Jumlah molekul 0,56 gram kalsium oksida, CaO (Ar, Ca = 40 ; O=16) adalah .....
6 x 10²³
3 x 10²³
6 x 10²¹
3 x 10²¹
9 x 10²¹
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Perbandingan massa 1 L gas oksigen dengan 1 L gas SO₂ pada suhu dan tekanan yang sama adalah .....
1:1
1:2
1:4
2:1
4:1
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Volume dari 88 gram gas CO2 (Ar C =12 dan O=16) jika di ukur pada suhu 27°C dan tekanan 1 atm adalah .....
22,4 L
44,8 L
24,4 L
49,2 L
48,8 L
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diantara gas gas berikut yang memiliki jumlah atom paling banyak pada keadaan STP adalah .....
2,8 L CH4
2,8 L C2H4
5,6 L CO2
5,6 L SO2
5,6 L C2H2
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Massa 750 mL gas SO3 (Mr SO3 =44) di ukur pada suhu 127°C dan tekanan 114 cmHg adalah ....
1,51 g
5,49 g
8,23 g
27,4 g
54,9 g
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Jika diketahui massa atom relatif (Ar) Fe = 56, Ca = 40, Ni = 59. Mg = 24.Cu = 63,5, N = 14, dan O = 16. Senyawa dengan massa molekul relatif (Mr) terkecil adalah ....
Fe(NO3)2
Cu(NO3)
Ca(NO3)
Mg(NO3)
Ni(NO3)
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Jumlah mol belerang dalam 24 gram pirit FeS2 adalah... (Ar Fe=54, S=32)
0,02
0,04
0,10
0,20
0,40
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