I sincerely hope that all seniors will give you your opinions

It is recommended that you buy some more comprehensive reference books that summarize, some books can be classified and summarized all the chemical reaction equations under this category, you only need to memorize the typical ones, summarize which parts of yourself are weaker according to the usual exams, do not buy units according to textbooks, buy those that are classified separately, it is better to say organic chemistry, inorganic chemistry and the like, if you memorize better, buy written knowledge with more questions and fewer topics, and if you think it is more helpful to do the questions, buy more topics This is my previous learning experience, I don't know if it will help you

Build a network map with mol as a bridge, and then when you have a problem, go back to mol!!

There should be a lot of test papers in the third year of high school, sort out the main test points on each test paper, and master these main test points, it's almost the same. Don't specifically memorize some infrequently tested, non-mainstream routes have always been brain-dead. Don't be impetuous when reviewing in the third year of high school, if you understand, you understand, if you don't understand, you don't understand, remember, remember!!

Little pot friend, other people's experience is someone else's after all, that is for reference only, not blindly obeyed, if the experience can be imitated, we will learn the experience of the college entrance examination champion, not all champions. My suggestion is that you can talk to your teacher, perhaps, you have not studied properly, after all, the teacher has met many students, and he may have met students in your situation, which will help you.

Do questions, do college entrance examination questions and mock questions, what appears and what to memorize.

When you are idle, systematically find a large piece of white paper and write the knowledge points on a piece of paper, combine the knowledge points, and you don't have to memorize them.

Chemistry rote memorization is useless, the key is to comprehend. Conscientiously comprehend every knowledge point and break it one by one. Then do some practice problems (you can start from easy to difficult) in a process, and know your own understanding of the corresponding knowledge, find the point, and improve from it.

I can only take it step by step, I can't eat a fat man in one bite.

First, chemistry is not a pure science subject, so you have to read books and memorize some things.

Second, the most important thing in chemistry is the principle, if you understand the principle, you will know any equation.

In addition, let's do more exercises, there are no shortcuts, this thing is really done and done.

Occupy. 2FeCl3+Cu=2FeCl2+CuCl2CuCl2+Fe=FeCl2+Cu It can be seen that the generated state can be consumed, that is, iron powder, and now there are solids left, indicating that there is silver and other substances that consume Fe first.

It was judged to be FeCl3

2fecl3+fe=3fecl2

The last remaining insoluble matter should be.

The reaction of the real front is as follows.

The reaction is: 2FeCl3+Fe=3FeCl2

The rest of the reaction is: CuCl2+Fe=FeCl2+Cu so there is still in the solution after the reaction, ie.

Co-generation (i.e., Fe2+ concentrations are.