Explain your answer in terms of the concentration of hydrogen ions and hydroxide ions.

First off, what is pH?
What does the pH of a solution measure?
Explain your answer in terms of the concentration of hydrogen ions and hydroxide ions.
Now consider the following case study:

This year, during her college’s spring break, Calleigh is visiting Florida for the first time. On the first night of her vacation, she and her friends go out to dinner. Feeling rather adventurous, Calleigh eats raw oysters as an appetizer. Unfortunately, the oysters she eats have high concentrations of bacteria, and 24 hours later, Calleigh is experiencing the “adventure” of food poisoning. Among her symptoms are nausea, vomiting, abdominal pain, and diarrhea.

How can prolonged vomiting affect the pH of Calleigh’s body?
Once Calleigh is able to keep down fluids, why wouldn’t you recommend plain water alone for rehydration?

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