Quantitative Chemical Analysis
Quantitative Chemical Analysis
9th Edition
ISBN: 9781464135385
Author: Daniel C. Harris
Publisher: W. H. Freeman
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Chapter 3, Problem 3.22P

(a)

Interpretation Introduction

Interpretation:

The resulting uncertainty in concentration after the dilution of the given solution has to be calculated

Concept Introduction:

Uncertainty:

Uncertainty means state of not certain in predicting a value.  In a measured value, the last digit will have associated uncertainty. Uncertainty has two values, absolute uncertainty and relative uncertainty.

Absolute uncertainty:

Expressed the marginal value associated with a measurement

Relative uncertainty:

Compares the size of absolute uncertainty with the size of its associated measurement

Relative uncertainty = absolute uncertaintymagnitude of measurement

(b)

Interpretation Introduction

Interpretation:

The resulting uncertainty in concentration after the dilution of the given solution has to be calculated.

Concept Introduction:

Uncertainty:

Uncertainty means state of not certain in predicting a value.  In a measured value, the last digit will have associated uncertainty. Uncertainty has two values, absolute uncertainty and relative uncertainty.

Absolute uncertainty:

Expressed the marginal value associated with a measurement

Relative uncertainty:

Compares the size of absolute uncertainty with the size of its associated measurement

Relative uncertainty = absolute uncertaintymagnitude of measurement

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