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Определить количество вещества брома(Br2),содержащееся в молекулярном броме массой 12,8г

 варианты ответа!

0.1 моль, 0.8 моль, 0.02 моль, 0,08 моль?

-8+3+(-1);-7+(-2)+(-10)

Complete these sentences with some / any / somebody / anybody / anyone / nobody / anything / nothing / anywhere. 1.There’s … at the door. Can you go and see who it is? 2.You can cash these travellers' cheques at … bank. 3.I haven’t read … of these books but Tom has read … of them. 4.The film is really great. You can ask … who has seen it. 5.I don’t mind where you go. You can go … you like. 6.He left home without saying … to … . 7.Have you got … money? 8.Has … seen Tom? 9.There was complete silence in the room. … said … . 10.What did you have for breakfast? … . I don’t usually have … for breakfast.