- Report Table Bu 1 Ph After Addition Of Hci Ph After Additions Of 1 Ml Of 1 0 M Hci Beaker 1 Beaker 2 Beaker 3 Beaker 1 (106.15 KiB) Viewed 65 times
Report Table BU.1: pH after addition of HCI pH after additions of 1 mL of 1.0 M HCI Beaker #1 Beaker #2 Beaker #3 Beaker #4 Beaker #5 Beaker #6 Initial pH 2.54 3.71 4.37 4.72 5.21 7.40 pH after 1 mL HCI 1.58 3.28 4.12 4.52 4.93 5.58 pH after 2 mL HCI 1.38 2.14 3.80 4.34 4.74 0.00 pH after 3 mL HCI 0.00 0.00 3.67 4.15 4.57 0.00 pH after 4 mL HCI 0.00 0.00 3.32 3.96 4.40 0.00 pH after 5 mL HCI 0.00 0.00 0.00 3.74 4.23 0.00
Report Table BU.2: pH after addition of NaOH pH after additions of 1 mL of 1.0 M NaOH Beaker #1 Beaker #2 Beaker #3 Beaker #4 Beaker #5 Beaker #6 Initial pH 1.86 3.46 3.77 4.27 4.88 8.22 pH after 1 mL NaOH 2.98 3.70 3.86 4.49 5.28 13.32 pH after 2 mL NaOH 0.00 3.93 4.20 4.76 11.88 0.00 pH after 3 mL NaOH 0.00 4.13 4.43 5.13 0.00 0.00 pH after 4 mL NaOH 0.00 4.36 4.69 6.06 0.00 0.00 pH after 5 mL NaOH 0.00 4.61 5.09 0.00 0.00 0.00
Remember that each buffer solution was prepared according to Table BU.1. Table BU.1: Composition of Solutions in Beakers Beaker # 1 2 3 4 5 6 Report Table BU.3: Initial concentrations Volume of 0.25 M HC2H302 (mL) 40.00 32.00 24.00 16.00 8.00 0.00 Volume of 0.25 M NaC2H302 (mL) 0.00 8.00 16.00 24.00 32.00 40.00
Report Table BU.3: Initial concentrations Initial Concentrations of Conjugates in Buffer Solutions Beaker #1 Beaker #2 Beaker #3 Beaker #4 Beaker #5 Beaker #6 Report Table BU.4: Comparison of measured and calculated initial pH [HC₂H30₂] (M) Table view List view [C₂H302] (M)
Report Table BU.4: Comparison of measured and calculated initial pH Difference between measured pH and calculated theoretical pH of solutions Beaker #1 Beaker #2 Beaker #3 Beaker #4 Beaker #5 Beaker #6 Measured pH 2.54 3.71 4.37 4.72 5.21 7.40 Calculated pH 2.74 Table view List view ApH (do not include negative sign)