Предмет: Химия, автор: nazarbalan080

Яку інформацію про речовину дає її формула: К3РО4

Ответы

Автор ответа: dyexfnf

2

Ответ:

Объяснение:

К3РО4 - фосфат калію

Формула вказує на те, що у формульній одиниці фосфату калію міститься три атоми калію, один атом фосфору та чотири атоми кисню. Хімічна формула відображає якісний і кількісний склад речовини.

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Другие предметы, автор: k36050904

70 балов срочно !!!!!

1 год назад

Предмет: Математика, автор: NasibaKarabaeva

для опытных закупили 2 т 370 кг цена по цене 32 сумм за килограмм и 4 q 50 кг свежей зелени по цене 18 сумов за килограмм питание для хищников обошлось в 6 млн 800000сумов на каких животных затратили больше денег

1 год назад

Предмет: Математика, автор: alika343423

Домашнее задание: 1. На первой неделе перевозили 200 т пшеницы. На второй неделе 165 т, потому что было на 7 машин меньше, чем на первой неделе. Сколько тонн в каждой машине?

1 год назад

Предмет: Английский язык, автор: lelik259770108

TEST III

I. Complete the following sentences choosing the correct answer. Only one answer is correct.

1. We ___________ there since last summer

a) haven’t been b) weren’t c) aren’t d) hasn’t

2. He ___________ a lot of mistakes recently.

a) has made b) made c) makes d) have made

3. What _________ last Sunday?

a) was he doing b) did he do c) had he done d) did he

4. She this time yesterday.

a) was sleeping b) slept c) has slept d) had slept

5. Look! The man _______________ to open the door of your car.

a) is trying b) tries c) try d) tryes

6. _________ we see a new film tomorrow?

a) Do b) Shall c) Did d) Have

7. When ___________ dinner?

a) are you usually having b) have you usually c) does you usually have d) do you usually have

8. When we came he _____________ TV.

a) was watching b) watched c) would watch d) has watched

9. Where is Tom? - He________________ dinner.

a) has b) is having c) had d) has had

10. He will not come back soon,___________ he?

a) will b) would c) will not d) wouldn’t

11. What ______________you go to the mountains every summer?

a) make b) makes c) does make d) do make

12. Who _____________ here last year?

a) did live b) lived c) lives d) live

13. Maty __________jump very high, when she was a little girl.

a) can b) could c) could to d) can to

14. You __________ leave the room, (formal permission)

a) may b) can c) could d)should

15. Where's John? He____________ be at the library, (less than 50% certainty)

a) could b) could do c) might d) must

16. ____________ here in summer?

a) Rains b) Does it rain c) Does rain d) Does it rains

17.1 wonder when _______________ them last time.

a) have you seen b)did you see c) you saw d) you did see

18. She likes to play____________ volleyball.

a)- b) a c) the

19. They have a car, this car is _______________ .

a) their b) theirs c) his d) them

20. She _____________to the concert tonight.

a) goes b) will go c) is going d) will goes

7 лет назад

Предмет: Биология, автор: asrik30

Гормон роста производится?
- поджелудочной железой
- щитовидной железой
- гипофизом
- печенью

7 лет назад