Cho m gam amino axit X ( có dạng ) tác dụng vừa đủ với 300ml dung dịch KOH 1M, cô cạn dung dịch thu được (1,2m+6,06) gam muối. Phân tử khối của X là:

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose a word that has different stress pattern:

  brighten             friendship                  arrive              rumor

• Choose a word that has different stress pattern:

  acquaintance              unselfish                 enthusiasm              confidence

• Choose a word that has different stress pattern:

  benefit                 principle                 incapable                 constancy

• Choose one sentence that has the same meaning as the root one:

  Jeff missed his first day of class due to the fact that he had overslept for several hours.
  
  

• Choose one sentence that has the same meaning as the root one:

  Although cell phones have just been developed recently, they are now widespread.
  
  

• Choose one sentence that has the same meaning as the root one:

  One of the reasons why John left for the city was that he wanted to find a good job.
  
  

• Choose a word that has different stress pattern:

  affect                appreciate                 attitude              acquaintance

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

  confidence              protect               clock               constancy

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

  embrace             embarrassing               enthusiasm             memorable

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

   idol             side                 brighten              activity