Answer:
The pH of the solution is 1.43.
Explanation:
To calculate the pH of the solution from the H3O+ concentration, it is necessary to use the pH formula:
[tex]\begin{gathered} pH=-log\lbrack H_3O^+\rbrack \\ pH=-log(3.7*10^{-2}) \\ pH=1.43 \end{gathered}[/tex]So, the pH of the solution is 1.43.