Find the sum of their masses, (1 Fe atom + 2 Cl atoms) for a single FeCl2 molecule, show your work:

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HayderR580524 HayderR580524 · Answer 1 · 2022-10-27T17:02:11+02:00

The molar mass is 126.75 g/mol.

From the Periodic Table of Elements we can find the atomic mass of Fe and Cl:

- Fe atomic mass: 55.85 g/mol

- Cl atomic mass: 35.45 g/mol

So, the sum of their masses for a single FeCl2 molecule is:

1 Fe atom + 2 Cl atoms

1 x 55.85 g/mol + (2 x 35.45 g/mol)

55.85 g/mol + 70.9 g/mol

126.75 g/mol

So, the molar mass for a single FeCl2 molecule is 126.75 g/mol.