What is the concentration of Ca^2+ ions in a solution of CaI2 having an I^-ion concentration of

Name: Problem 37, Chapter 15: Foundations of College Chemistry
Uploaded: 2024-02-05T00:28:47-08:00
Duration: 2 min 49 s
Channel: Jennifer Hudspeth
Description: What is the concentration of Ca^2+ ions in a solution of CaI2 having an I^-ion concentration of 0.520 M ?

step 1 Hi there. In this question, we have calcium hydroxide, CaOH2, and we're told it is a strong elec

Question

What is the concentration of $\mathrm{Ca}^{2+}$ ions in a solution of $\mathrm{CaI}_2$ having an $\mathrm{I}^{-}$ion concentration of 0.520 M ?

   What is the concentration of $\mathrm{Ca}^{2+}$ ions in a solution of $\mathrm{CaI}_2$ having an $\mathrm{I}^{-}$ion concentration of 0.520 M ?

Foundations of College Chemistry

Morris Hein, Susan… 12th Edition

Chapter 15, Problem 37

Instant Answer

Solved by Expert Jennifer Hudspeth

02/05/2024

Step 1

When $\mathrm{CaI}_2$ dissolves in water, it dissociates into one $\mathrm{Ca}^{2+}$ ion and two $\mathrm{I}^{-}$ ions. The dissociation can be represented as: \[ \mathrm{CaI}_2 \rightarrow \mathrm{Ca}^{2+} + 2\mathrm{I}^{-} \] Show more…

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What is the concentration of $\mathrm{Ca}^{2+}$ ions in a solution of $\mathrm{CaI}_2$ having an $\mathrm{I}^{-}$ion concentration of 0.520 M ?

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Key Concepts

Stoichiometry

Stoichiometry involves the quantitative relationships between reactants and products in a chemical reaction or dissolution process. It allows one to predict how the amount of one substance relates to the amounts of the others based on their mole ratios, which is essential for calculating concentrations in a solution.

Ionic Dissociation

Ionic dissociation refers to the process by which an ionic compound separates into its constituent ions when dissolved in a solvent. Understanding this concept is critical for determining the resulting ion concentrations, as the compound breaks apart in fixed stoichiometric proportions.

Molar Concentration

Molar concentration, or molarity, is the measure of the number of moles of a solute per liter of solution. This concept is key in solution chemistry because it allows for the quantification and comparison of concentrations, facilitating calculations that involve dilution or ion production in a reaction.

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