A buffer is prepared by adding 0.506mol of the wea…


Question Description:

25.50

A buffer is prepared by adding 0.506mol of the weak acid HA to 0.609 mol of NaA in 2.00L of solution. The dissociation constant Ka of HA is 5.66 x 10 ^ -7. pH = 6.33 What is the pH after 0.195 mol of NaOH is added to the buffer? Assume no volume change on the addition of the base.

Answer

25.50