Cho 360 g glucozơ lên men thành ancol etylic và cho toàn bộ khí CO₂ sinh ra hấp thụ vào dd NaOH dư được 318 g muối. Hiệu suất phản ứng lên men là ?  

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  A defensive player may only hold, block or pull a / an ___________ who is touching or holding the ball.
   

• Choose the best answer for the following sentence:

  If a defender ______________ a foul within the five meter area that prevents a likely goal, the attacking team is awarded a penalty throw or shot.
   

• Choose the best answer for the following sentence:

  A goalie who aggressively fouls an attacker in position to score can be charged with a _____________ shot for the other team.
   

• Choose the best answer for the following sentence:

  ____________ is a sport in which people or teams race against each other in boats with oars.
   

• Choose the best answer for the following sentence:

  I have never taken part in any water sports ______________ I cannot swim.
   

• Choose the best answer for the following sentence:

  Many people do not like scuba diving _______________.
   

• Choose the word that has the underlined part pronounced differently from the rest:

  interfered                     allowed                    visited                     played

• Choose the word that has the underlined part pronounced differently from the rest:

  water                    swimming                     between                    rowing

• Choose the word that has the underlined part pronounced differently from the rest:

  lie                   goalie                   achieve                   belief

• Choose the word that has the underlined part pronounced differently from the rest:

  punch                   synchronized                    March                   touching