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lavin997
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Определить v газа который образуется при взаимодействии 180 г уксусной кислоты с 48 г mg​

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Robingood135
Robingood135
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1) He hasn't been working for a long time.

2) She hasn't been looking through the window since morning

3) My mother has been cooking dinner for two hours already

4) I have been watching the news for two hours

5) We have been sitting here since 2 o'clock

6) They have been talking for the last hour

7) She has been working at that company for three years

8) My neighbour has been playing the piano since morning

9) We have been waiting in the queue for three hours

10) We have been painting the walls in our new flat for a month

11) An old woman has been working in the garden since 2 o'clock

12) He has been reading the book for five hours

13) It has been raining all day long.

14) She has been thinking about your offer all night long.

15) I have been having strange dreams for about three weeks.

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