Question

How many $\mathrm{mEq}$ of $\mathrm{Ca}^{2+}$ are represented by $2 \mathrm{~g}$ of calcium chloride?

   How many $\mathrm{mEq}$ of $\mathrm{Ca}^{2+}$ are represented by $2 \mathrm{~g}$ of calcium chloride?

Essential Math and Calculations for Pharmacy Technicians

Essential Math and Calculations for Pharmacy Technicians

Indra K. Reddy,… 1st Edition

Chapter 12, Problem 25

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Step 1: Determine the molar mass of calcium chloride (CaCl2). Show more…

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How many $\mathrm{mEq}$ of $\mathrm{Ca}^{2+}$ are represented by $2 \mathrm{~g}$ of calcium chloride?

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Key Concepts

Milliequivalent Calculation

Milliequivalents (mEq) measure the reactive capacity of an ion in solution, taking into account both the concentration and the valence of the ion. Converting moles of an ion to milliequivalents involves multiplying by the ion’s valence and scaling from equivalents to milliequivalents.

Valence and Equivalents

This concept involves the charge of an ion and how many equivalents are produced per mole of ion. It is particularly important in reactions and calculations where the reactive capacity of ions, based on their charge (valence), is used to compute equivalents or milliequivalents.

Molar Mass

This concept involves determining the mass of one mole of a compound, which is fundamental in converting a given mass (in grams) to moles. It is essential for stoichiometric calculations that relate the mass of a substance to the number of particles or moles present.

Ionic Dissociation

Ionic dissociation refers to the process where an ionic compound splits into its constituent ions when dissolved in a solvent. Understanding this is crucial for determining the number of moles of a specific ion produced from a dissolved compound.

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