Chemistry. How To Evaluate The Error And Accuracy Of Paper Chromatography? What Is The Equation To Prove That Hydrochloric Acid Is Present In Excess?

Frequently Asked Question :

Chemistry : How To Evaluate The Error And Accuracy Of Paper Chromatography

When running a paper chromatography, hw can you evaluate the error (on Rf) and the accuracy of the Rf calculated? Thank you. ~~~ Val ~~~

Chemistry : What Is The Equation To Prove That Hydrochloric Acid Is Present In Excess

Hi When you react of CaCO3 with 100cc of HCl (1mol/l), ahat is the equation to prove that hydrochloric acid is present in excess? Thanks TJ ~~~ Trudy M ~~~

Chemistry : What Is The Difference Between Acylation And Nucleophilic Additionelimination

My text book is really confusing and doesnt give clear definitions, can anyone help me find the difference between the two (if there is one!) Thanks Dan ~~~ Poo Yee ~~~

Chemistry : How To Separate The Gasses In The Air When They All Look Alike

How to separate the gasses in the air when they all look alike? ~~~ dinoautopsy ~~~

Chemistry : How Do You Work Out The Relative Atomic Mass Of Any Element

My textbook says it is usually the same as the mass number but not always. Why wouldnt it be, if the formula to calculate it is basically multiplying by 1? ~~~ Stupid ~~~