Cho hỗn hợp Al, Fe vào dung dịch HNO₃ loãng, dư thu được 6,72 lít NO (là sản phẩm khử duy nhất của N⁺⁵ ở đktc). Số mol axit đã phản ứng là bao nhiêu?

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  If the car ___________ larger, we would have bought it.
  
  

• Choose the best answer for the following sentence:

  If only I ___________ you wanted to invest money in business.
   

• Choose the best answer for the following sentence:

  If I were to leave my country, I ____________ disappointed.
   

• Choose the best answer for the following sentence:

  If he hadn’t wasted too much time, he ___________ in his examination.
   

• Choose the best answer for the following sentence:

  If I had taken that English course, I _________ much progress.

• Choose the best answer for the following sentence:

  If you inherited a million pounds, what __________ with the money?
   

• Choose the best answer for the following sentence:

  If you as I told you, you in such predicament now.
   

• Choose the best answer for the following sentence:

  Come and work for my company if you ____________ better to do.
   

• Choose the best answer for the following sentence:

  If you had done as I told you, I think you ____________.
   

• Choose the best answer for the following sentence:

  If he had got half a mark more, he _____________ in the exam.