___________________________________________________________________________ | | | | BURETTE | DIFFERENCE | OBSERVED | DIFFERENCE | CALCULATED READINGS | | WEIGHTS | | CORRECTION _______________|______________|______________|______________|______________ 0.02 | | 16.27 | | 10.12 | 10.10 | 26.35 | 10.08 | -.02 20.09 | 9.97 | 36.26 | 9.91 | -.06 30.16 | 10.07 | 46.34 | 10.08 | +.01 40.19 | 10.03 | 56.31 | 9.97 | -.06 50.00 | 9.81 | 66.17 | 9.86 | +.05 _______________|______________|______________|______________|______________ These data to be obtained in duplicate for each burette. !Page B! Date DETERMINATION OF COMPARATIVE STRENGTH HCl vs. NaOH ___________________________________________________________________________ | | DETERMINATION | I | II _________________________|________________________|________________________ | | | Corrected | Corrected Final Reading HCl | 48.17 48.08 | 43.20 43.14 Initial Reading HCl | 0.12 .12 | .17 .17 | ----- ----- | ----- ----- | 47.96 | 42.97 | | | Corrected | Corrected Final Reading HCl | 46.36 46.29 | 40.51 40.37 Initial Reading HCl | 1.75 1.75 | .50 .50 | ----- ----- | ----- ----- | 44.54 | 39.87 | | log cc. NaOH | 1.6468 | 1.6008 colog cc. HCl | 8.3192 | 8.3668 | ------ | ------ | 9.9680 - 10 | 9.9676 - 10 1 cc. HCl | .9290 cc. NaOH | .9282 cc. NaOH Mean | .9286 | _________________________|________________________|________________________ Signed !Page C! Date