The concentration of a NAOH solution is determined in a single experiment by titrating a weighedsample of pure, dried KHP (MW = 204.229) with the NaOH. The data are:Weight of KHP = (11.6723 ± 0.0001) - (10.8364 ± 0.0001) g= (32.68 ± 0.02) – (1.24 ± 0.02) mL%3DVolume NaOHWhere the standard deviations are o, values. (a) What is the molarity of the NaOH?(b) Based on the propagation-of-error formula, what is the standard deviation of the molarity,on ?

(a)When KHP is titrated with NaOH, the following reaction occurs:

The concentration of a NaOH solution is determined in a single experiment by titrating a weighed sample of pure, dried KHP (MW = 204.229) with the NaOH. The data are: Weight of KHP = (11.6723 +0.0001) (10.8364 ± 0.0001) g Volume NaOH = (32.68 ± 0.02) - (1.24 ± 0.02) mL - Where the standard deviations are o values. (a) What is the molarity of the NaOH? (b) Based on the propagation-of-error formula, what is the standard deviation of the molarity,OM?

The concentration of a NaOH solution is determined in a single experiment by titrating a weighed sample of pure, dried KHP (MW = 204.229) with the NaOH. The data are: Weight of KHP = (11.6723 +0.0001) (10.8364 ± 0.0001) g Volume NaOH = (32.68 ± 0.02) - (1.24 ± 0.02) mL - Where the standard deviations are o values. (a) What is the molarity of the NaOH? (b) Based on the propagation-of-error formula, what is the standard deviation of the molarity,OM?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

The concentration of a NAOH solution is determined in a single experiment by titrating a weighed
sample of pure, dried KHP (MW = 204.229) with the NaOH. The data are:
Weight of KHP = (11.6723 ± 0.0001) - (10.8364 ± 0.0001) g
= (32.68 ± 0.02) – (1.24 ± 0.02) mL
%3D
Volume NaOH
Where the standard deviations are o, values. (a) What is the molarity of the NaOH?
(b) Based on the propagation-of-error formula, what is the standard deviation of the molarity,on ?

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Step 1: a) Molarity of NaOH

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Step 2: Moles of KPH used

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Step 3: Calculation of Molarity of NaOH

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Step 4: b)Standard deviation of molarity

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