Answer:
pH= 8.30
Step-by-step explanation:
The pH of the solution with a [H+] concentration of 5x10-9 ml/dm^3 is 8.30. This can be calculated using the pH to H⁺ formula: pH=−log([H+]). Substituting the given [H+] concentration, we get: pH = −log(5x10-9) = 8.30.