Recently, Mr Cu Thanh Long have a question for 04-05 students. It's content:
"How to titrate sodium hydroxide if it is mixed sodium carbonate as impurification???"
This is a good question, but, I have ever looked at this question is asked in our 4rum, hix, why???
Everybody join to discuss this problem, please !!!
And whereby, we will discuss to Warder and Winkler method !!! hehehe !
PS: you can discuss by Vietnamese !