A 0.1 M solution of acid was used to titrate 10 ml of 0.1 M solution of alkali and the following volumes of acid were recorded: 9.88 10.18 10.23 10.39 10.21 Calculate the 95% confidence limits of the mean and use them to decide whether there is any evidence of systematic error.

A 0.1 M solution of acid was used to titrate 10 ml of 0.1 M solution of alkali and the following volumes of acid were recorded: 9.88 10.18 10.23 10.39 10.21 Calculate the 95% confidence limits of the mean and use them to decide whether there is any evidence of systematic error.

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter7: Statistical Data Treatment And Evaluation

Section: Chapter Questions

Problem 7.10QAP

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Question

A 0.1 M solution of acid was used to titrate 10 ml of 0.1 M solution of alkali and the
following volumes of acid were recorded:

9.88 10.18 10.23 10.39 10.21

Calculate the 95% confidence limits of the mean and use them to decide whether
there is any evidence of systematic error.

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