Cho 11,2 lít khí etilen (ở đktc) tác dụng với nước có axit sunfuric đặc làm xúc tác, thu được 9,2 gam rượu etylic. Hiệu suất phản ứng là

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  England used to be the first ____________ country in Europe as well as in the world.

• Choose the best answer for the following sentence:

  The state is at least ___________ England.
  
  

• Choose the best answer for the following sentence:

  ______________ live in the capital than in the whole of the rest of the country.
   

• Choose the best answer for the following sentence:

  It was ____________________ I had expected.
   

• Choose the best answer for the following sentence:

  He finds physics ________________ other science subjects.
   

• Choose the best answer for the following sentence:

  London has ______________ the rest of the country.
   

• Choose the best answer for the following sentence:

  He used to smoke ______________ a day.
   

• Choose a word that has different stress pattern:

  temple                    palace                     event                    ancient

• Choose a word that has different stress pattern:

  develop                    fabulous                     festival                 emperor

• Choose a word that has different stress pattern:

  enthronement                       influence                    industry                 capital