Сколько граммов бензола должно вступить в реакцию с водородом для получения 252г циклогексана?

 

Нужно полное решение с дано.

На одной полке на 15 книг больше, чем на другой. Всего на полках 53 книги. Сколько книг на каждой полке. Решите уравнение.

Ask questions using interrogative words in the brackets.
1.  I paid a lot for the computer, (how much)
2. Mrs Robinson taught foreign languages at the university.(what)
3. We often went to the cinema last month, (where)
4. Mike chose several English books, (which books)
5. Jack told something interesting about the accident, (what)
6. Mary made some spelling mistakes in her test, (where)
7. We had dinner very early yesterday, (what time)
8. I came early after my work, (when)
9. She took somebody’s notebook by mistake, (whose)
10. Last time I met Peter in January, (when)
11. I found my umbrella under the table, (where)
12. They went to the British Museum last week, (who) 

Cрочно надо ребят!!!