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Solved: PROBLEM 3QPA 24.7-g sample of limestone, CaCO3,

An Introduction to Chemistry | 2nd Edition | ISBN: 9780073511078 | Authors: Richard C. Bauer ISBN: 9780073511078 68

Solution for problem 3QP Chapter 4

An Introduction to Chemistry | 2nd Edition

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An Introduction to Chemistry | 2nd Edition | ISBN: 9780073511078 | Authors: Richard C. Bauer

An Introduction to Chemistry | 2nd Edition

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Problem 3QP

A 24.7-g sample of limestone, CaCO3, contains 9.88 g of calcium. What is the percent Ca in limestone?

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Estimation from Sample Data • Margin of Error: for estimating the true mean of a population; this gives an interval of possible options around the estimated mean; this range of values can help us give a more accurate estimation of the mean o The margin of error at any degree of confidence is the amount that when added and subtracted to the true population mean will define a region that includes the middle x (degree of confidence) percentage of all possible values • This region of possible values is known as the confidence interval • When you hear ‘too close to call’, it means that the margins of error/confidence intervals are far too overlapping to make a decision about who will win • Margin of Error is

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Chapter 4, Problem 3QP is Solved
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Textbook: An Introduction to Chemistry
Edition: 2
Author: Richard C. Bauer
ISBN: 9780073511078

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Solved: PROBLEM 3QPA 24.7-g sample of limestone, CaCO3,