Find The $\mathrm { pH }$ Of a Solution with a Hydrogen Ion Concentration Of

Multiple Choice

Find the $\mathrm { pH }$ of a solution with a hydrogen ion concentration of $1.93 \cdot 10 ^ { - 4 }$ gram-ions per liter.

A) $\quad 3.7$
B) $\quad 0.372$
C) $\quad 3.72$
D) $\quad 3.63$
E) $\quad 3.67$