A HCN / NaCN buffer system is to be constructed that is also 0.048 M in Mg2+. What is the minimum [HCN] / [CN] that must be maintained to keep a precipitate of magnesium hydroxide from forming? [HCN] minimum [CN"] 1
A HCN / NaCN buffer system is to be constructed that is also 0.048 M in Mg2+. What is the minimum [HCN] / [CN] that must be maintained to keep a precipitate of magnesium hydroxide from forming? [HCN] minimum [CN"] 1
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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![**Buffer System Design**
A \( \text{HCN / NaCN} \) buffer system is to be constructed that is also 0.048 M in \( \text{Mg}^{2+} \).
### Objective
Determine the minimum \([\text{HCN}]/[\text{CN}^-]\) ratio that must be maintained to prevent the formation of magnesium hydroxide precipitate.
\[
\frac{[\text{HCN}]}{[\text{CN}^-]}_{\text{minimum}} = \boxed{ \ }
\]
#### Explanation:
This problem involves calculating the minimum concentration ratio of components in a buffer solution to avoid precipitation of magnesium hydroxide when the concentration of magnesium ions \( (\text{Mg}^{2+}) \) is known.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4126b89b-6ee3-437f-8fcf-aa0e90855818%2F42512bbd-3376-435a-895b-bcd4016a15bb%2Fn1pbpl_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Buffer System Design**
A \( \text{HCN / NaCN} \) buffer system is to be constructed that is also 0.048 M in \( \text{Mg}^{2+} \).
### Objective
Determine the minimum \([\text{HCN}]/[\text{CN}^-]\) ratio that must be maintained to prevent the formation of magnesium hydroxide precipitate.
\[
\frac{[\text{HCN}]}{[\text{CN}^-]}_{\text{minimum}} = \boxed{ \ }
\]
#### Explanation:
This problem involves calculating the minimum concentration ratio of components in a buffer solution to avoid precipitation of magnesium hydroxide when the concentration of magnesium ions \( (\text{Mg}^{2+}) \) is known.
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