Trong một dung dịch có chứa 0,01 mol Na⁺; 0,03 mol Ba²⁺; 0,02 mol Cl^- và x mol OH^-. Tổng khối lượng chất rắn (gam) thu được khi cô cạn dung dịch trên là (giả sử chỉ có nước bay hơi)

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

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

  stay                     manage                      may                        play

• Choose the word whose stress is on the second syllable:

  college                 student                   member                       enrich

• Choose the word whose stress is on the second syllable:

  voluntary                  hospital                     victory                        sufficient

• Choose the best answer for the following sentence:

  People use ___________ to run machines, heat and cool their home.
  
  

• Choose the best answer for the following sentence:

  Substance that makes the air, water and soil dangerously dirty is called ____________.

  
  
  

• Choose the best answer for the following sentence:

  John moved away three weeks ______________.
  
  

• Choose the best answer for the following sentence:

  What about _____________ for a walk?
  
  

• Choose the best answer for the following sentence:

  The financial director kept us ______________ for almost an hour.
  
  

• Choose the best answer for the following sentence:

  _____________ at the audience, the contestant gave her answer with confidence.
  
  

• Choose the best answer for the following sentence:

  She decided _______________ to another city.