Diketahui massa 1 atom oksigen 2,70 x 10-23 g, berapakah Ar atom O jika massa 1 atom C-12 = 1,99 x 10-23 g...
KONSEP MOL

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Science
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12th Grade - University
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Hard
Sriatun Widodo
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1.
FLASHCARD QUESTION
Front
Back
2.
FLASHCARD QUESTION
Front
Massa atom relatif Cl berdasarkan isotop 35Cl (75,53%, 34,97) dan 37Cl (24,47%, 36,67) adalah...
Back
35,46
3.
FLASHCARD QUESTION
Front
Unsur X mempunyai 2 jenis isotop yaitu 378X dengan massa 377,99 amu dan 383X dengan massa 382,98 amu. Apabila massa rata-rata unsur X adalah 379,64 amu, komposisi kelimpahan isotop unsur X tersebut adalah...
Back
378X = 66,9% dan 383X = 33,1%
4.
FLASHCARD QUESTION
Front
Massa dari 1,204 x 1024 atom belerang adalah... (Ar S = 32)
Back
64 gram
5.
FLASHCARD QUESTION
Front
Volume dari 4,25 gram gas NH3 pada suhu 250C dan tekanan 1 atm adalah...
Back
6 Liter
6.
FLASHCARD QUESTION
Front
Massa dari 2,05 liter gas SO3 pada suhu 2270C dan tekanan 190 cmHg adalah...
Back
10 gram
7.
FLASHCARD QUESTION
Front
Jumlah molekul dari 1,48 gram Ca(OH)2 adalah...
Back
1,204 x 1022 molekul
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