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Spreadsheet for standard deviation. Lets create a spreadsheet to compute the mean and

Quantitative Chemical Analysis | 8th Edition | ISBN: 9781429218153 | Authors: Daniel C. Harris ISBN: 9781429218153 475

Solution for problem 4-B Chapter 4

Quantitative Chemical Analysis | 8th Edition

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Quantitative Chemical Analysis | 8th Edition | ISBN: 9781429218153 | Authors: Daniel C. Harris

Quantitative Chemical Analysis | 8th Edition

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Problem 4-B

Spreadsheet for standard deviation. Lets create a spreadsheet to compute the mean and standard deviation of a column of numbers in two different ways. The spreadsheet here is a template for this exercise.

Step-by-Step Solution:
Step 1 of 3

Chem 115 Review of HS 01/11 -atoms combine to form molecules ^molecules: structure of 2+ atoms chemically bonded and behave as one unit -molecules undergo chemical reactions either by themselves or with others to make new molecules -LAW OF CONSERVATION OF MASS: total mass must not change during a reaction -when calculating atomic mass: Molecular mass = sum of atomic masses AlBr3 = Al (26.982) + Br (79.904) = 266.692 amu (atomic mass units) * 1 AMU = 1.661 * 10^-24 * Avogadro Constant* ^ 1 mole = 6.022 * 10^23 ^mole is similar to a dozen, use moles instead of AMU’s Isotope: same # of protons (Z), different # of neutrons (N) Molarity (M): moles/liter

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Chapter 4, Problem 4-B is Solved
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Textbook: Quantitative Chemical Analysis
Edition: 8
Author: Daniel C. Harris
ISBN: 9781429218153

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Spreadsheet for standard deviation. Lets create a spreadsheet to compute the mean and