stoich |
converting g to moles
using molecular weight
58.8 g Fe
(1 mole Fe)
/
(55.85 g Fe)
= 0.999 moles Fe
|
grams of Fe |
converting moles to atoms
using Avogadro's number
0.999 moles Fe
(6.022 x 1023 atoms)
/
(1 mole Fe)
= 6.016 x 1023 atoms Fe
|
atoms |
stoich |
58.8 g He
(1 mole He)
/
(4.00 g He)
= 13.95 moles He
|
grams of He |
13.95 moles He
(6.022 x 1023 atoms)
/
(1 mole He)
= 8.400 x 1023 atoms He
|
atoms |
stoich |
32.0 g O3
(1 mole O3)
/
(48.00 g O3)
= 0.667 moles O3
|
grams of O3 |
0.667 moles O3
(6.022 x 1023 atoms)
/
(1 mole O3)
= 4.017 x 1023 atoms O3
|
atoms |
stoich |
32.0 g O2
(1 mole O2)
/
(32.00 g O2)
= 1.000 mole O2
|
grams of O2 |
1.000 mole O2
(6.022 x 1023 atoms)
/
(1 mole O2)
= 6.022 x 1023 atoms O2
|
atoms |
stoich |
16.0 g O2
(1 mole O2)
/
(32.00 g O2)
= 0.500 moles O2
|
grams of O2 |
0.500 moles O2
(6.022 x 1023 atoms)
/
(1 mole O2)
= 3.011 x 1023 atoms O2
|
atoms |