High School

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

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. Plugging this value into the formula:

pH = -log(1.0 × 10^–5)

Using a calculator, we can find that the pH of the solution is approximately 5.00.

Therefore, the correct answer is option d) 5.00.

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