87.8k views
4 votes
What is the [H₃O⁺] (hydronium concentration) of an aqueous solution that has a pH of 4.00?​

User Philomath
by
7.0k points

1 Answer

3 votes

Answer: 0.0001M

Step-by-step explanation:

Given that:

[H₃O⁺] (hydronium concentration) = ?

pH of aqueous solution = 4.00

pH is the negative logarithm of hydrogen ion [H+] or hydroxonium ion [H₃O⁺] in a solution. Mathematically it is expressed as:

pH = -log[H₃O⁺]

4.00 = -log[H₃O⁺]

[H₃O⁺] = Antilog (-4.00)

[H₃O⁺] = 0.0001M

Thus, 0.0001M is the [H₃O⁺] (hydronium concentration) of an aqueous solution that has a pH of 4.00

User Ekatz
by
7.6k points