An Aqueous Solution at 25 $\mathrm{H}^{+}$ ] = 0085 Mol L^-1

An aqueous solution at 25.0 °C contains [ $\mathrm{H}^{+}$ ] = 0.085 mol L^-1.What is the pH of the solution?

A) 1.07
B) -1.07
C) 13.0
D) 0.0850
E) 1.20 × $10^{-13}$