High School

What is the pH of a solution with a [H\textsuperscript{+}] of 1.0 × 10\(^{-5}\) M?

Question options:
A. 1.0 × 10\(^{-5}\) M
B. 9.00
C. –9.00
D. 5.00
E. –5.00

Answer :

Final answer:

The pH of a solution with a [H+] of 1.0 × 10–5 M is approximately 5.00.

Explanation:

The pH of a solution can be calculated using the formula:

pH = -log[H+]

In this case, the given concentration of hydrogen ions ([H+]) is 1.0 × 10–5 M. To find the pH, we can substitute this value into the formula:

pH = -log(1.0 × 10–5)

Using a calculator, we can evaluate this expression:

pH ≈ 5.00

Therefore, the pH of the solution with a [H+] of 1.0 × 10–5 M is approximately 5.00.

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