Trial 1 Table 21.1. Trial 1. Mass of KHP, g Initial pH Initial buret reading, mL Table 21.2. Titration Results, Trial 1. Volume NaOH added, mL 10.50mL 20.50mL 50.50mL lo 0.50mL 0.32609 4.01 2.5ml 30.50mL 14.75 40.50mL 70.50mL 80.50mL 90.20 mL 10/ 0.20mL 110.50mL 12/0.20mL PH 4.33 13 0.20mL 456|4|050ML 5.09 5.27 5.47 5.78 5.90 6.10 10.24 11.11 Indicator used X Volume of NaOH at equivalence point, mL: 5.50mL = Volume NaOH added, mL Laboratory 21 | Standardization PH 11.25
Trial 2 Table 21.3. Trial 2. Mass of KHP, g Initial pH Initial buret reading, ml Table 21.4. Titration Results, Trial 2. Volume NaOH added, ml pH 0.50mL 4.16 13 0.50mL 4.49 14 1 2 3 0.50mL 14 0.50ml 5 6 0.50ml 0.50ML 0.50mL 74 6 9 11 12 0.3139 3.88 8.30mL 0.50ml 2.00 al 0.20mL 0.20ml Volume of NaOH at equivalence point, ml. pH at equivalence point 5.30 5.40 6.07 6.39 (0.82 Table 21.5. Evaluation of the titration curves. Trial # 0.20mL 0.20mL 4.6315 0.20mL 4.8316 0.50mL 4.99 Indicator used Volume of NaOH at equivalence point, ml. 5.50mL 4.75 8.60 Phenolphalein Volume NaOH added, ml 264 Standardization of NaOH Solution Laboratory 21 PH 10.46 11.29 11.46 11.77 2 5.50 8.60
Calculations of Molarity of NaOH Solution Show all your calculations! Molar Mass for KHP MM-204.2 g/mol Molarity of NaOH solution Trial 1: Molarity of NaOH solution Trial 2: Mean Molarity:
Trial 1 Table 21.1. Trial 1. Mass of KHP, g Initial pH Initial buret reading, mL Table 21.2. Titration Results, Trial 1.
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Trial 1 Table 21.1. Trial 1. Mass of KHP, g Initial pH Initial buret reading, mL Table 21.2. Titration Results, Trial 1.
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