Analysis of unknown sample.Find the molarity of NaOH (M) using the given values below. Show your complete solution. Correction factors:0.30 - Phenol0.20 - Methyl Orange, BromocresolVolume, mLCorrected Volume, mLMolarity HCl, MAverage Molarity2625.80.1111 M0.1090 M25.825.60.1122 M 27.4027.20.1038 M PhenolphthaleinPhenolphthaleinMethyl OrangeMethyl OrangeNaOH MVolume mLCorrected volumeVolume mLCorrected volume 10.209.92019.8???

Molarity of the standardized HCl solution used for the titration of the unknown sample = 0.1090 M

Answered: Analysis of unknown sample. Find the…

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter13: Titrations In Analytical Chemistry

Section: Chapter Questions

Problem 13.30QAP

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Analysis of unknown sample.
Find the molarity of NaOH (M) using the given values below. Show your complete solution.
Correction factors:
0.30 - Phenol
0.20 - Methyl Orange, Bromocresol

Volume, mL	Corrected Volume, mL	Molarity HCl, M	Average Molarity
26	25.8	0.1111 M	0.1090 M
25.8	25.6	0.1122 M
27.40	27.2	0.1038 M

Phenolphthalein	Phenolphthalein	Methyl Orange	Methyl Orange	NaOH M
Volume mL	Corrected volume	Volume mL	Corrected volume
10.20	9.9	20	19.8	???

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