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Chapter 15: Problem 148

What is the \(\mathrm{pH}\) of a solution whose \(\mathrm{H}_{3} \mathrm{O}\) concentration is \(10^{6} \mathrm{M}\) ? Is the solution acidic or basic?

Short Answer

Expert verified
The pH of the solution is 6, and since the pH is less than 7, the solution is acidic.

Step by step solution

01

Plug the H3O+ concentration into the pH formula

Use the given H3O+ concentration value: [H3O+] = \(10^6M\). Now, substitute this value into the pH formula: pH = -log10(\(10^6M\))
02

Calculate the pH value

Now compute the negative logarithm of the H3O+ concentration to find the pH: pH = -log10(\(10^6\)) = -(-6) = 6
03

Determine if the solution is acidic or basic

We determined the pH of the solution to be 6, which is close to neutral pH (7). According to the pH scale: - If pH < 7, the solution is acidic - If pH = 7, the solution is neutral - If pH > 7, the solution is basic Since pH 6 is less than 7, the solution is acidic.

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