Knowing the following masses determined from decomposition in the laboratory, calculate the empirical formulas for each compound: A) 0.871 g Zn, 0.213 g O; B) 2.41 g Fe, 2.77 g S. You must show all work to receive credit.
which of the following stains are suitable for detecting amino acids on a silica plates and give reason for the answer?
1 Ninhydrin
2 Aniline phthalate
3 Charring with 30% sulphuric acid
4 Pauly stain
5 Dragendorf reagent