Cho 20g hỗn hợp gồm Fe và Mg tác dụng với dd H2SO4 dư thì thu được 13,44 lít h2 (đktc) tính khối lượng mỗi khối lượng sau

Các câu hỏi liên quan

Rewrite the following sentences: 15, What a shame you didn't tell me earlier. --> If only.............................................................................. 16, She can't go camping because of her age. --> If....................................................................................... 17, What would you do if there was an earthquake? --> Supposing....................................................................... 18, Lan feels tired now because she ate too much this morning. --> Lan wouldn't................................................................... 19, Pay me back the money, or I will tell your mother. --> If......................................................................................... 20, What a pity Mai can't come. --> I wish..................................................................................... 21, My sister regretted not working hard before. --> My sister wished...................................................................... 22, We should leave now , otherwise we will be late for the class. --> If we.................................................................................................. 23, I am sorry that I asked her to stay. --> Now I wish...................................................................................... 24, He lost his money because he wasn't careful . --> If he........................................................................................................ 25, It was his own fault that he lost his job. He was late for work every morning. --> If he................................................................................................... 26, I only made that mistake because I didn't think. -->If I............................................................................................................. 27, I only bought that dog because my children wanted a pet. --> If my children....................................................................................... 28, It was overeating that cause his heart attack. --> If he hadn't ........................................................................................... 29, he did that way because he didn't listen to our advice. --> If he......................................................................................................