Answer:
10.6.
Step-by-step explanation:
What is given?
[H⁺] = 2.79 x 10⁻¹¹ M.
Step-by-step solution:
Let's see the formula of pH:
Where [H⁺] is the proton concentration in M. So we have to replace the given data in the formula:
The pH of a [H⁺] = 2.79 x 10⁻¹¹ M solution would be 10.6.