Question

What is the molar concentration of the chloride ion in a 3.0 m cacl2 solution

Answer 1

Nucleophilic acyl substitution describe aclass of substitution reactions involvingnucleophiles and acyl compounds. In this type of reaction, a nucleophile – such as analcohol, amine, or enolate – displaces theleaving group of an acyl derivative – such asan acid halide, anhydride, or ester.

Answer 2

The molar concentration of the chloride ion in a 3.0 m $CaCl_2$ solution is 6.0 M

Explanation:

Molarity of a solution is defined as the number of moles of solute dissolved per Liter of the solution.

Given : 3.0 moles of $CaCl_2$ are present in 1 liter of the solution.

The dissociation of the given compound is shown as:

$CaCl_2\rightarrow Ca^{2+}+2Cl^-$

1 mole of $CaCl_2$ gives = 2 moles of $Cl^-$

Thus 3.0 moles of $AgNO_3$ will require=$\frac{2}{1}\times 3.0=6.0moles$ of $Cl^-$

6.0 moles of $Cl^-$ are present in 1 Liter of the solution, thus molar concentration is 6.0 M

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