Question

Write electronics configuration of Fe Fe2+ and Fe3+ . Define molality​

Answer 1

Answer:

Electronic configuration of:

a.)Fe:1s²2s²2p⁶ 3s² 3p6 4s² 3d⁶ OR [Ar] 4s² 3d⁶

b.)Fe2+:1s² 2s²2p⁶ 3s² 3p⁶ 3d⁶ OR [Ar] 3d⁶

c.)Fe3+:1s²2s²2p⁶ 3s² 3p⁶ 3d⁵ OR [Ar]3d⁵

Molality:

Molality is a measure of the number of moles of solute in a solution corresponding to 1 kg or 1000 g of solvent.