CH3 COOH (aq) +  OH- (aq) → CH3 COO- (aq) + H2O (l)

I: 60.00 ml                   42.54 ml               0

0.2093 M                      0.1476M

1.2558e-2 mol               6.278904e-3 mol

C: - 6.33984e-3 mol    - 6.278904e-3 mol +6.278904e-3 mol

E: 6.2182e-3 mol         0 mol                     6.278904e-3 mol

[HAc]= n/(Total volume) = 6.2182e-3 mol / (60+42.54)e-3 l

[HAc] = 0.06064 M

[Ac-] = n/(Total volume) = 6.278904e-3 mol / (60+42.54)e-3 l

[Ac-] = 0.06123 M