If a pH electrode is experiencing the sodium (alkaline) error... A. the apparent pH will be lower than the true pH. B. the apparent pH will be higher than the true pH C. there will be no effect on the pH, but the glass membrane will dry out because of the sodium. ●

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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**Understanding the Effects of Sodium (Alkaline) Error on pH Electrode Readings**

When a pH electrode is experiencing sodium (alkaline) error, it affects the accuracy of pH readings. Here are the possible outcomes:

- **Option A**: The apparent pH will be lower than the true pH.
- **Option B**: The apparent pH will be higher than the true pH.
- **Option C**: There will be no effect on the pH, but the glass membrane will dry out because of the sodium.

This list offers multiple choice options to consider when diagnosing issues with pH measurements involving a sodium error. For accurate analysis, it’s crucial to understand how such interferences might alter the outcomes of pH tests.
Transcribed Image Text:**Understanding the Effects of Sodium (Alkaline) Error on pH Electrode Readings** When a pH electrode is experiencing sodium (alkaline) error, it affects the accuracy of pH readings. Here are the possible outcomes: - **Option A**: The apparent pH will be lower than the true pH. - **Option B**: The apparent pH will be higher than the true pH. - **Option C**: There will be no effect on the pH, but the glass membrane will dry out because of the sodium. This list offers multiple choice options to consider when diagnosing issues with pH measurements involving a sodium error. For accurate analysis, it’s crucial to understand how such interferences might alter the outcomes of pH tests.
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