1. The concentration of NaOH from the best three of your trials.2. The average concentration of 3 of your trials (only use 3 trials)3. The standard deviation of your 3 trials [If you have a calculator with statson it, you can use that/bring it to class, but for the lab report you will haveto write out your calculations.]4. Your PPT. Titration #KHP (9) Vrinai (mL) Vinitial le Vtotal NaoH (m),702734.20MLO ml34.20 mL34.51 mL2..7241O me34-51ML34.80mLO mL34.80 mbTitration #1 V total = 34.20-0= 34. 20m LTitration #2 Votala 34.51 o =3451MLTitration # 3 Vtotal= 34.80 O = 34.80ML3. After you complete all three titrations determine the relative standard deviation. Foreach titration, calculate the molarity of the solution. Be sure to determine the correctnumber of significant figures. Determine the relative standard deviation of thecalculated molarities for the three titrations. If your molarities do not agree with aprecision of 4 ppt or lower, you must do additional titrations until relative standarddeviation is below 4 ppt for all runs. Show your calculations to your lab instructor andhave him/her sign your laboratory notebook.

Given: Titration KHP (g) Vfinal (mL) Vinitial (mL) Vtotal NaOH(mL) 1 0.7027 34.20 0.0 34.20 2…

Answered: The concentration of NaOH from the best…

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter16: Applications Of Neutralization Titrations

Section: Chapter Questions

Problem 16.30QAP

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1. The concentration of NaOH from the best three of your trials. 2. The average concentration of 3 of your trials (only use 3 trials) 3. The standard deviation of your 3 trials [If you have a calculator with stats on it, you can use that/bring it to class, but for the lab report you will have to write out your calculations.] 4. Your PPT.

Titration #
KHP (9) Vrinai (mL) Vinitial le Vtotal NaoH (m)
,7027
34.20ML
O ml
34.20 mL
34.51 mL
2.
.7241
O me
34-51ML
34.80mL
O mL
34.80 mb
Titration #1 V total = 34.20-0= 34. 20m L
Titration #2 Votala 34.51 o =
3451ML
Titration # 3 Vtotal= 34.80 O = 34.80ML
3.

After you complete all three titrations determine the relative standard deviation. For
each titration, calculate the molarity of the solution. Be sure to determine the correct
number of significant figures. Determine the relative standard deviation of the
calculated molarities for the three titrations. If your molarities do not agree with a
precision of 4 ppt or lower, you must do additional titrations until relative standard
deviation is below 4 ppt for all runs. Show your calculations to your lab instructor and
have him/her sign your laboratory notebook.

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