Предмет: Химия, автор: Gerty4

Определить массу сульфида алюминия (алюминий-два-эс-три)который образуется при взаимодействии алюминия с 16 гр серы

Ответы

Автор ответа: ami1abieva
1

Ответ:

уравнение реакции серы с алюминием: 2Al +3S =Al2S3
на 3 моль серы приходится 1 моль сульфида алюминия
Решение:
16/32 =0.5 грамм.
1/6*150 =25 грамм.
Ответ:25 грамм.

Gerty4: На первый вопрос распиши задачу пожалуйста
ami1abieva: отметьте мой ответ лучшим,если не трудно
Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Русский язык, автор: casgx
У неё замирает дух и прерывается дыхание, когда она глядит вниз, когда я только предлагаю сесть в санки, но что же будет, если она рискнёт полететь в пропасть.

Нужно обозначить части речи, главные и второстепенные члены предложения
2 года назад
Предмет: Русский язык, автор: Keshnaya
Морфологический разбор - ПОДТАЯВШИЕ
2 года назад
Предмет: Английский язык, автор: irochka2309muza
Choose the proper word: a) affair — business — matter — concern
1. It's no ... of mine. 2. "Mind your own ..., " she said sharply. 3. The Manderley ball was generally an annual ... . 4. He was 88 Unit IV. Friends and Friendships tired and wished the day's... was over so he could go for a shower. 5. It's the ... of the police to find the culprit. 6. I felt he had looked upon something personal to himself with which I had no ... . 7. Not a word had ever been spoken between them on a ... now nearly four years old. 8. That of course is a ... of opinion. 9. The picnic was a jolly ....
b) to adapt — to adjust — to accommodate 1. Let us take things as we find them and ... ourselves as we can to unavoidable circumstances. 2. Soon Mike's eyes... to changing condition. 3. I may be old but I can ... myself as well as anyone else to the changing phases of modern life. 4. It marked his adaptability, his capacity to ... himself to changing conditions. 5. He was fit, that was all, and unconsciously he ... himself to the new mode of life. 6. The mind ... itself to different problems as the eye ... itself to darkness.
c) to value — to appreciate — to appraise — to estimate 1. It overwhelmed him that the people of his district had at last begun ... him. 2. The more she suffered, the more highly he ...her. 3. He is a character, that's why she ...his friendship. 4.1 ... the information and realized that it was beyond our capability. 5. I like people who can ... good music. 6. They ... the cost of renting an apartment for a year.
2 года назад
Предмет: Математика, автор: mkochikin
Помогите сократить дробь 1386 - 756
8 лет назад
Предмет: Английский язык, автор: Danill888
Ответы на британский бульдог . 7 класс 12 декабря 2018. Помогите пж
8 лет назад