Which compound has a greater mass percent of oxygen, Na₂CO3

Last updated: 7/31/2022

Which compound has a greater mass percent of oxygen, Na₂CO3 or Fe(NO3)3? What information do we need to find the mass percent of oxygen in each compound? total number of atoms in each compound mass of each element (use 1 mol of each compound) Avogadro's number, 6.022 x 1023 oxygen atoms 1 mol oxygen atoms molar mass of each compound number of protons in each element of the compound