Mass of acid, g Molarity of NaOH, mole/L Temperature, C Veq NaOH, mL Veq NaOH, L Veg/2 NaOH, ML pH at Veg/2 Ka of acid S

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Mass Of Acid G Molarity Of Naoh Mole L Temperature C Veq Naoh Ml Veq Naoh L Veg 2 Naoh Ml Ph At Veg 2 Ka Of Acid S 1 (57.98 KiB) Viewed 22 times

Mass Of Acid G Molarity Of Naoh Mole L Temperature C Veq Naoh Ml Veq Naoh L Veg 2 Naoh Ml Ph At Veg 2 Ka Of Acid S 2 (57.98 KiB) Viewed 22 times

Mass Of Acid G Molarity Of Naoh Mole L Temperature C Veq Naoh Ml Veq Naoh L Veg 2 Naoh Ml Ph At Veg 2 Ka Of Acid S 3 (39.82 KiB) Viewed 22 times

Mass Of Acid G Molarity Of Naoh Mole L Temperature C Veq Naoh Ml Veq Naoh L Veg 2 Naoh Ml Ph At Veg 2 Ka Of Acid S 4 (28.12 KiB) Viewed 22 times

Mass of acid, g Molarity of NaOH, mole/L Temperature, C Veq NaOH, mL Veq NaOH, L Veg/2 NaOH, ML pH at Veg/2 Ka of acid Standard deviation of K. Average K Relative standard deviation of K₂ Moles of NaOH at Veq Moles of acid at Veq MM of acid, g/mole Standard deviation of MM Average MM acid, g/mole Relative standard deviation of MM Trial 1 0-199 21° (#2 Trial 2 Trial 3 0-260 0-161 M 21°C 8.0ML 1.0ML 7.4mL. 7.4×10³ 80X102.0×103 4m² 3.5ml Borml 4.5 4.0 3.8 3.16100²5 10x10 1-58X10-4 9.65×10-5 1:29/10 1.127/1010-4 0.00119 1:2800 klo 0.00119 1-27g/ml 124g/l 1.27gral 0.0141 g/mal 125g/mnd 1.39% 0.205

POST-LAB QUESTIONS 1. The possible identities of your unknown weak acid in this lab are listed below. Molar Mass (g/mole) K. at 25 °C 1.4 x 10 152.15 3.91 x 10 204.22 4.6 x 10 190.08 Compound mandelic acid potassium hydrogen phthalate sodium bitartrate Write an analysis that includes what unknown # you had and the proposed identity of your unknown. Make sure to use your experimental data to justify your answer. Include the percent error for your calculated K, and molar mass values. Note that the molar mass values will be more accurate than the K, values (keep this in mind when identifying your unknown). Lab 7: Acid Dissociation Constant of an Acid TO

2. Discuss the precision for the experimental K, values, make sure to include standard deviation and relative standard deviation. 3. Discuss the precision for the experimental molar mass values, make sure to include standard deviation and relative standard deviation. BELECTION