Question

Determine the number of moles in the following samples:

1. 5.19 x 1029 FeCl3 formula units
2. 6.02 x1025 Mg atoms
3. 5.3 x 1012 N2 molecules
4. 40,000 MgO Formula Units

I need help ASAP

Answer 1

1. Molar mass of FeCl3 is 162.204 g/mol

2. 6.02 x 10^23

3. 8.817663948945736e-24

4. 992.4474747174