Calculate the \( \mathrm{pH} \) of a solution obtained by diluting \( 1 \mathrm{~mL} \) of \( 0....

Calculate the \( \mathrm{pH} \) of a solution obtained by diluting \( 1 \mathrm{~mL} \) of \( 0.10 \mathrm{M} \) weak monoacidic base to \( 100 \mathrm{~mL} \) at constant temperature if \( K_{b} \) of the base is \( 1 \times 10^{-5} \) ?
(a) 8
(b) 9
(c) 10