The electron configuration of Iron is:
[Ar] 3d⁶4s²
<span>b. square root of 3 over 3 is the answer to your question!!! I hope I helped!!!!!!!!!! XoXo -Marcey<3! :D
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You HAVE TO know that molarity (M) tells you the number of moles of a solute per Liters of solution.
M=mol/L
0.3M = 2.7 mol/ Volume
Volume = 2.7 mol/3.0 L
Volume = 0.9 L
The answer is B. two chlorine atoms.
The chemical formula of the compound is BaCl2~