Предмет: Химия, автор: 07nikita625

Срочноо!!!! Помогите пожалуйста.

Задача по химии в файле.

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Приложения:

Ответы

Автор ответа: tasya2812

1

Ответ:

2,91 моль

Объяснение:

M (SO2)=1×32+2×16=64

М(СО2)=31×12+ 2×16=44

M SO2=2×64=128г

значит M CO2= 128г

колич. CO2=128÷44=2,91 моль

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: Аноним

Раскройте скобки, употребляя глаголы в требующемся времени .
1. Peter (to read) by the fireplace when the door (to open) and the maid (to enter). The cook (to follow) her. 2. When the mother (to satisfy) herself that the children (to sleep) peacefully in their beds, she (to take) out the Christmas presents and carefully (to put) them into the stockings which (to hang) at the beds. 3. If you (to ring) me up tomorrow, I (to tell) you all about it. 4. The lesson (not yet to begin), and the children (to talk) loudly in the corridor. 5. I (to live) in St. Petersburg since 1991. 6. By the fifteenth of January the students (to pass) all the examinations. 7. The students (to write) the paper by dinner-time. 8. They (to sail) down the river for many hours before they (to come) to the village. 9. I (not to be) to my home town for five years. 10. The rain (to stop) by the time we (to reach) home. 11. The message (to arrive) five minutes after he (to leave) the house. 12. It (to be) nearly eleven o'clock when we (to begin) doing this work. 13. At last the reply from my grandmother (to come), and my mother (to tell) me that she (to come) soon. 14. Here you (to be) at last! I (to wait) for you for twenty minutes. You (not to be) ashamed?
Даю 30 баллов.

1 год назад

Предмет: Русский язык, автор: DiMaShArOnOv

Найдите неверный ответ в определении грамматических признаков: А.пятеро-количественное числительное; Б.всякого-определительное местоимение; В.тройка-имя существительное ед.ч.,ж.р; Г.никто-отрицательное местоимение.

1 год назад

Предмет: Английский язык, автор: KrevetkoO

V. Перепишите следующие предложения, определите в них видо - временные формы глаголов и укажите их инфинитив; переведите предложения на русский язык.

1. It was difficult to translate the text without a dictionary.
2. They had no lectures last week.
3. During the course of study our students will carry out their practical work in well-equipped laboratories.
4. At higher schools specialization generally begins in the third year.

1 год назад

Предмет: Биология, автор: tamogochi58

3 причины почему губки ваделенны в отдельное царство

7 лет назад

Предмет: Қазақ тiлi, автор: happy123456

ПРОШУ ПОМОГИТЕ С КАЗАХСКИМ!

7 лет назад