Chemistry

Problem

A 1.0 L buffer is prepared by dissolving 0.50 mol H

_2

_3

and 0.50 mol HCO

_3^-

(pK

_\mathrm{a1}

= 6.35). After 0.010 mol of HCl is added with negligible volume change, what is the resulting pH of the solution? a)

6.17

6.35

6.33

5.35