KONSEP MOL

KONSEP MOL

Assessment

Flashcard

Science

12th Grade - University

Hard

Created by

Sriatun Widodo

FREE Resource

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10 questions

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1.

FLASHCARD QUESTION

Front

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...

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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