lab 6 inlab - Data Table A. Calculated and Measured pH's of...

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Data Table A. Calculated and Measured pH's of Acid and Base Mixtures Reaction # Reagents Calculated pH Measured pH 1 10 mL H 2 O 7.00 7.35 + 5 mL NaOH 12.52 12.44 + additional 5 mL NaOH 12.70 12.65 + additional 5 mL NaOH 12.78 12.74 2 10 mL HCl 1.00 1.18 + 5 mL NaOH 1.48 1.66 + additional 5 mL NaOH 7.00 6.89 + additional 5 mL NaOH 12.30 12.18 3 10mL NH 4 Cl 5.13 5.93 + 5 mL NaOH See question 4c. 9.45 + additional 5 mL NaOH -------- 11.04 + additional 5 mL NaOH -------- 12.30 4 10 mL NaC 2 H 3 O 2 8.87 8.95 + 5 mL NaOH See question 6c. 12.50 + additional 5 mL NaOH -------- 12.68
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+ additional 5 mL NaOH -------- 12.75 Question 4a. Complete the reaction table for the mixture of 10.0 mL of 0.10 M NH 4 Cl with 5.0 mL of 0.10 M NaOH below. All entries should be in millimoles . Report all values to one decimal place. NH 4 1+ (aq) + OH 1- (aq) NH 3 (aq) + H 2 O initial 1.0 0.5 0 -.5 -.5 .5 final .5 0 .5 Question 4b. Calculate the equilibrium concentrations of each of the following in the resulting solution. Report all values to two signigicant figures.
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lab 6 inlab - Data Table A. Calculated and Measured pH's of...

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