Предмет: Химия, автор: footuukraine

K3PO4 Відносна молекулярна маса сполуки​

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Автор ответа: ket2oo6
2

Ответ:

212,27 г/моль

Объяснение:

как-то так

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IV. Выберите правильный вариант.

1.1 ... since breakfast and I'm very tired.

a) travel, b) am travelling, c) was travelling. d) have been travelling.

2. He came to the party ... he hadn't been invited.

a) although, b) in case, c) even, d) in spite.

3. We have ... for a new secretary but we haven't had any replies yet.

a) announced, b) advertised, c) advised, d) noticed.

4. Ted is good at football but Rick is ... .

a) good, b) well, e) better, d) best.

5. ... "Romeo and Juliet?"—Not yet.

a) Did you see, b) Do you see, c) Have you seen, d) Had you seen.

6. He makes me ....

a) laugh, b) to laugh, c) laughing, d) have laughed.

7. He had an accident yesterday and was taken to ... hospital.

a) the, b) — , c) a, d) an.

8. It's crowded in here. There's ... to sit down.

a) hardly, b) hardly any, c) hardly anything, d) hardly anywhere.

9. Next June my cousin ... from high school.

a) graduate, b) graduated, c) will graduate, d) has graduated.

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a) goes, b) was going, c) will go, d) has gone.

11. Are you interested ... working for him?

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12. He is reported ... 400 dollars.

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13. Put ... sugar into your tea.

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15. There's nothing left for him but escape, ... ?

a) is it, b) isn't, c) is there, d) isn't there.

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a) are, b) was, c) have been, d) were.

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18. She ... when I came.

a) works, b) work, c) was working, d) has worked.

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a) can, b) may, c) must, d) might.

20. Do you like ... milk with your tea?

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