What is the pH of a solution with an [H*] = 1 x106 %3D

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
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### Determining the pH of a Solution

In this exercise, we will determine the pH of a solution based on its hydrogen ion concentration \([H^+]\).

#### Question:
What is the pH of a solution with a hydrogen ion concentration \([H^+]\) = \(1 \times 10^{-6}\) M?

#### Solution:
To find the pH of a solution, we use the following formula:
\[ \text{pH} = -\log[H^+] \]

Given:
\[ [H^+] = 1 \times 10^{-6} \text{ M} \]

Now, calculate the pH:
\[ \text{pH} = -\log(1 \times 10^{-6}) \]

Using the properties of logarithms:
\[ \text{pH} = -\log(10^{-6}) \]
\[ \text{pH} = -(-6) \]
\[ \text{pH} = 6 \]

#### Answer:
The pH of the solution is 6.

This calculation follows the logarithmic relationship between the hydrogen ion concentration and pH, which is essential in determining the acidity or basicity of a solution. A pH of 6 indicates a slightly acidic solution, considering that the neutral pH is 7.
Transcribed Image Text:### Determining the pH of a Solution In this exercise, we will determine the pH of a solution based on its hydrogen ion concentration \([H^+]\). #### Question: What is the pH of a solution with a hydrogen ion concentration \([H^+]\) = \(1 \times 10^{-6}\) M? #### Solution: To find the pH of a solution, we use the following formula: \[ \text{pH} = -\log[H^+] \] Given: \[ [H^+] = 1 \times 10^{-6} \text{ M} \] Now, calculate the pH: \[ \text{pH} = -\log(1 \times 10^{-6}) \] Using the properties of logarithms: \[ \text{pH} = -\log(10^{-6}) \] \[ \text{pH} = -(-6) \] \[ \text{pH} = 6 \] #### Answer: The pH of the solution is 6. This calculation follows the logarithmic relationship between the hydrogen ion concentration and pH, which is essential in determining the acidity or basicity of a solution. A pH of 6 indicates a slightly acidic solution, considering that the neutral pH is 7.
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