каково количество вещества соответствует 80 г гидроксида натрия 15 б - №27600836

каково количество вещества соответствует 80 г гидроксида натрия 15 б
- Предмет:
  Химия
- Автор:
  kaiyazyiu
- 6 лет назад

Ответы 1

n＝m/M n＝80/40＝2 моль
- Автор:
  harrisonosborne
- 6 лет назад
- 0
Добавить свой ответ

Еще вопросы

Небольшой тест Past Perfect Continuous и другие прошедшие времена.

1. We __________ when somebody __________ at the door.

a) were talking / was knocking

b) had been talking / knocked

c) were talking / knocked

d) had been talking / had knocked

2. Ian ____________ at the factory long when he ___________ a manager.

a) was working / had been made

b) had been working / was made

c) had been working / made

d) had worked / made

3. Sally _________ for two years when she ___________ the race.

a) trained / entered

b) was training / was entering

c) had trained / had entered

d) had been training / entered

4. It ____________ and the ground _______ white.

a) had been snowing / was

b) was snowing / had been

c) had snowed / was

d) had been snowing / was being

5. By his death, the composer _____________.

a) had written

b) was writing

c) had been writing

d) wrote

6. Jimmy ________ out of breath because he ___________.

a) had been / was running

b) was / was running

c) was / had been running

d) had been / had been running
- Предмет:
  Английский язык
- Автор:
  queen bee
- 6 лет назад
- Ответов:
  
  1
- Смотреть
найди объём куба длина ребра которая равна 1 2/3
- Предмет:
  Математика
- Автор:
  dillon8
- 6 лет назад
- Ответов:
  
  1
- Смотреть
как проходило принятие в российское подданство казахов народов северного кавказа и закавказья
- Предмет:
  История
- Автор:
  cayetano
- 6 лет назад
- Ответов:
  
  2
- Смотреть
Знайдіть первісну для функції f(x) =6x², графік якої проходить через точку К(-1;1)
- Предмет:
  Алгебра
- Автор:
  pregoihvt
- 6 лет назад
- Ответов:
  
  1
- Смотреть

How much to ban the user?

1 hour 1 day 100 years