What is the pH of a Weak Acid solution whose concentration is 10-4M?

asked Apr 25, 2023 20.4k views

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Step-by-step explanation:

We are given: concentration of a weak acid = 10^-4 M

$\begin{gathered} pH\text{ = -log\lbrack H}^+] \\ \\ \text{ = -log\lbrack10}^(-4)] \\ \\ \text{ = 4} \end{gathered}$

Answer:

The pH of a weak acid is 4.

Diogo Peres answered Apr 30, 2023

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