Question

Expert Name: KHP Solubility Postlab: Report Sheet 35 points possible (25 points for calculations) Section (day&time): Due date: Instructor #3 35°C Solution ID: Temperature of solution: T4 Trial 3 Trial 2 Trial 1 o. ImL o. I mL O.ImL 0./mL Original volume of KHP solution: Concentration of NaOH solution: 0.2054M 1.22mL 1. 27mL 1.28 ML 1. 31 m Volume of NaOH solution added: WW14 0.26M Concentration of KHP solution: 0.0681 Ksp calculated from solution: Average Ksp of solutions based on class data (note: if the class data reflects different! temperatures for the same solution, report the averaged temperature for each solution): Solution Temperature Averaged Ksp Number (K) 273.15 295.65 308.15 1318.15 | 328.15 - select value ^,2 =ln() - Ang FÓC +273 = 1 Kvalue 113

Answer 1

The concentration of KHP is calculated:

[KHP] = Cb * Vb / Va = 0.2054 M * 1.22 mL / 1 mL = 0.251 M

Trial 3: 0.263 M

Trial 4: 0.269 M

The Ksp is calculated:

Ksp = [KHP] ^ 2 = 0.251 ^ 2 = 0.063

Trial 3: 0.069

Trial 4: 0.072

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