Determine the percent composition of each of the following compounds.
1. KMnO4 K = Mn = O =
2. HCl H = Cl =
3. Mg(NO3)2 Mg = N = O =
4. (NH4)3PO4 N = H = P = O =
5. Al2(SO4)3 Al = S = O =
Solve the following problems.
6. How many grams of oxygen can be produced from the decomposition of 100. g of KClO3?
7. How much iron can be recovered from 25.0 g of Fe2O3?
8. How much silver can be recovered from 125 g of Ag2S?