Formula empirik
Authored by munie kahar
Chemistry
4th Grade
Used 57+ times
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1.
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5 mins • 1 pt
Satu sampel kalium bromida mengandungi 6.24 g kalium dan 12.8 g bromin. Apakah formula empirik kalium bromida?
Jisim atom relatif; K=39; Br =80
2.
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5 mins • 1 pt
Satu sampel 26.1g stanum klorida didapati mengandungi 11.9g stanum. Nyatakan formula empirik stanum klorida itu
Jisim atom relatif; Sn=119; Cl =35.5
3.
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5 mins • 1 pt
0.03 mol unsur Y berpadu dengan 7.62g iodin untuk menghasilkan garam iodida. Nyatakan formula empirik bagi garam iodida itu.
Jisim atom relatif ; I=127
4.
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5 mins • 1 pt
Seorang ahli kimia menganalisis sebatian yang memberikan bau kepada buah pisang yang masak ranum. Dia mendapati sebatian ini mengandungi 64.62% karbon, 10.77% hidrogen dan 24.61% oksigen. Apakah formula empirik sebatian tersebut?
Jisim atom relatif ; C=12 ; H=1 ; O=16
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