Problem: What is the concentration of chloride ions when 10.0 grams of iron(III) chloride (formula mass = 162.2 g/mol) is dissolved in water to form 0.100 L of solution?(A) 0.616 M (B) 1.23 M (C) 0.1 M (D) 6.16 × 10−4 M (E) 1.85 M

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Determine the molecular formula of iron (III) chloride and establish the molarity equation and determine the concentration of Cl- in 10 g iron (III) chloride in 0.1 L of solution

The rules for naming binary ionic compoundsare as follows:

1. The metal keeps its name and is named and written first.

– For transition metals, we use Roman numerals to denote its charge.

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Problem Details

What is the concentration of chloride ions when 10.0 grams of iron(III) chloride (formula mass = 162.2 g/mol) is dissolved in water to form 0.100 L of solution?

(A) 0.616 M 

(B) 1.23 M 

(C) 0.1 M 

(D) 6.16 × 10−4

(E) 1.85 M

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