Предмет: Химия, автор: bonikim967

10. Определите формулу сульфитов железа если взаимодейству- ют железо и сера в ниже следующем составе: а) 46,6% железа, 53,4% серы, б) 62,5% железа, 37,5% серы.​

Ответы

Автор ответа: unezhewaoxnw6u
5

Объяснение:

10. Определите формулу сульфидов железа если взаимодействуют железо и сера в ниже следующем составе: а) 46,6% железа, 53,4% серы, б) 62,5% железа, 37,5% серы.

FexSy

Возьмём 100г вещества, тогда в нем а) 46,6г железа, 53,4г серы.

а) х:у= 46.6/56 : 53.4/32 = 0.832 : 1.669 = 1: 2

это пирит или железный колчедан FeS2

Возьмём 100г вещества, тогда в нем а) 62.5г железа, 37.5г серы.

а) х:у= 62.5/56 : 37.5/32 = 1.16 : 1.17 = 1: 1

сульфид железа (||) FeS


kimkarina953: Здравствуйте. Не могли бы помочь с химией пожалуйста умолляю
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