As eggs age, the pH of the egg white increases from about 7.9 to 9.3 as the carbon dioxide diffuses out of the egg. What is the hydrogen ion concentration in an egg, if the pH is 8.0? [H3O+] = i M

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### Aging and pH: Understanding Egg Chemistry

As eggs age, the pH of the egg white increases from about 7.9 to 9.3 as the carbon dioxide diffuses out of the egg. This change in pH is a result of the release of carbon dioxide, which is initially dissolved in the egg white and forms carbonic acid, lowering the pH.

**Problem:**

Given that the pH of an egg is 8.0, what is the hydrogen ion concentration \([H_3O^+]\) in the egg?

\[ \text{[H}_3\text{O}^+\text{]} = \underline{\hspace{2cm}} \, \text{M} \]

This problem requires you to use the pH scale's mathematical relation to find the concentration of hydronium ions. Remember, pH is the negative logarithm of the hydronium ion concentration:

\[ \text{pH} = -\log_{10}[\text{H}_3\text{O}^+] \]

To solve, you calculate:

\[ [\text{H}_3\text{O}^+] = 10^{-\text{pH}} \]

Substitute the pH value of 8.0:

\[ [\text{H}_3\text{O}^+] = 10^{-8} \, \text{M} \]
Transcribed Image Text:### Aging and pH: Understanding Egg Chemistry As eggs age, the pH of the egg white increases from about 7.9 to 9.3 as the carbon dioxide diffuses out of the egg. This change in pH is a result of the release of carbon dioxide, which is initially dissolved in the egg white and forms carbonic acid, lowering the pH. **Problem:** Given that the pH of an egg is 8.0, what is the hydrogen ion concentration \([H_3O^+]\) in the egg? \[ \text{[H}_3\text{O}^+\text{]} = \underline{\hspace{2cm}} \, \text{M} \] This problem requires you to use the pH scale's mathematical relation to find the concentration of hydronium ions. Remember, pH is the negative logarithm of the hydronium ion concentration: \[ \text{pH} = -\log_{10}[\text{H}_3\text{O}^+] \] To solve, you calculate: \[ [\text{H}_3\text{O}^+] = 10^{-\text{pH}} \] Substitute the pH value of 8.0: \[ [\text{H}_3\text{O}^+] = 10^{-8} \, \text{M} \]
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