Hòa tan 11,2 gam Fe bằng dung dịch HNO₃. Sau khi kết thúc các phản ứng thu được 3,36 lít NO duy nhất (đktc) và dung dịch X. Khối lượng muối trong dung dịch X là:

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  Most parents have total confidence ___________  the school.

   

• Choose the best answer for the following sentence:

   Friends make us ___________ more comfortable and cheerful in life.

   

• Choose the best answer for the following sentence:

  ''If you are late again, I will sack you,'' the boss ___________ him.

   

• Choose the best answer for the following sentence:

  John said that at 9 o’clock the day before he ____________ the monthly report.

   

• Choose the best answer for the following sentence:

  He offered ______________ these bags.

   

• Choose the best answer for the following sentence:

  John ______________ for London three years ago.

   

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

  She invited us to her birthday party last week.
  
  

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

  I cannot play any sports and I cannot play any musical instruments, either.
  
  

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

  Tomorrow we will go to the zoo or we will visit the citadel because we don’t have much time.
  
  

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

  Mr. Green is my teacher and he is my great friend, too.