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How many equivalents of Mg2* are present in a solution that contains 7.71 mol of MgCl2?

How many equivalents of Mg2* are present in a solution that contains 7.71 mol of MgCl2?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Question:** How many equivalents of \( \text{Mg}^{2+} \) are present in a solution that contains 7.71 mol of \( \text{MgCl}_2 \)? **Explanation:** In this problem, we are asked to determine the number of equivalents of magnesium ions (\( \text{Mg}^{2+} \)) present in a given amount of magnesium chloride (\( \text{MgCl}_2 \)). When \( \text{MgCl}_2 \) dissolves in water, it dissociates into one \( \text{Mg}^{2+} \) ion and two \( \text{Cl}^- \) ions. Therefore, the number of equivalents of \( \text{Mg}^{2+} \) is the same as the number of moles of \( \text{MgCl}_2 \), which is 7.71 equivalents.
Transcribed Image Text:**Question:** How many equivalents of \( \text{Mg}^{2+} \) are present in a solution that contains 7.71 mol of \( \text{MgCl}_2 \)? **Explanation:** In this problem, we are asked to determine the number of equivalents of magnesium ions (\( \text{Mg}^{2+} \)) present in a given amount of magnesium chloride (\( \text{MgCl}_2 \)). When \( \text{MgCl}_2 \) dissolves in water, it dissociates into one \( \text{Mg}^{2+} \) ion and two \( \text{Cl}^- \) ions. Therefore, the number of equivalents of \( \text{Mg}^{2+} \) is the same as the number of moles of \( \text{MgCl}_2 \), which is 7.71 equivalents.
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