Предмет: Химия, автор: fred0rik2007

обчислить видносну малекулярну масу такои речовины NaHCO3

Ответы

Автор ответа: svetka1574

0

Ответ:

Объяснение:

Mr(NaHCO3) = 23 + 1 + 12 + 16*3 =84

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: tkid

Переведите предложения на русский язык, обращая внимание на инфинитивные конструкции

1. A lot of people came to watch the ocean liner return home after a long voyage.
2. Everybody thought him to be quite a reliable person.
3. The captain declared the load to be too much for his small boat
4. He seems to know a great deal about the history of navigation.
5. The boat, though very small, proved to be quite reliable.
6. The 20th century is considered to be the century of space travels.
7. The motor proved to be quite efficient.
8. Atomic ice-breakers are known to operate on a negligible quantity of atomic fuel.
9. The results of the test were found to be very interesting.
10. I know them to be working on the problem of protecting the cosmonauts from the effect of sun radiation.
11. Rubber is known to have been brought from America.
12. Ink is supposed to have been invented in Egypt.
13. We expected him to be appointed director of a new automobile plant.
14. This question appears to be of great importance.
15. The plan proved to be a great success.
16. The travellers found the people of the small island (to be) very friendly.

1 год назад

Предмет: Русский язык, автор: danzel201245

На уроках Истории вы узнали о первоначальном значении многих слов, в том числе таких, как рыцарь , турнир, жонглер, миниатюра.
Расскажите о каждом из них по плану (письменно).

1 год назад

Предмет: Английский язык, автор: ikitty

Fill in the gaps with prepositions, where necessary.
1. Pete’s favourite pastime is listening ______ classical music.
2. My elder sister is very fond _____ reading historic books. Yesterday she took part _____ a conference _____ the history _____ our country.
3. John’s hobby is looking _______ animals _____ our local zoo. Every Friday and Saturday he goes ______ the zoo and to help there.
4. How are you getting ______ with your new classmate?
5. Let’s go _______ a walk! – O.K. Let’s go ______ bikes. I’m fond ______ cycling.

1 год назад

Предмет: Физика, автор: iluana

Помогите решить!!! Физика 7 класс

8 лет назад

Предмет: Математика, автор: Danilfyrewbhi

(15+9)↑2 помагите пожалуйста

8 лет назад