How many moles of oxygen are formed when 58.6 g of KNO3 decomposes according to the following reaction? The molar mass of KNO3 is 101.11 g/mol.
Magnesium has three naturally occurring isotopes. One has an isotopic abundance of 78.99% and a mass of 23.985042 amu, and the second one has an isotopic abundance of 10.00% and a mass of 24.985837