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(a) Would you need NaOH or HCl to bring the pH of 0.050 0 M HEPES (Table 8-2) to 7.45

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

Solution for problem 8-37 Chapter 8

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 8-37

(a) Would you need NaOH or HCl to bring the pH of 0.050 0 M HEPES (Table 8-2) to 7.45? (b) Describe how to prepare 0.250 L of 0.050 0 M HEPES, pH 7.45.

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3.10 The Sizes of Atoms (in pm) Shielding • In a many-electronatom, electronsare both attractedto the nucleus and repelledby other electrons. • The cancellingof the nuclear attractiveforceon an electron due to the electron-electron repulsion is calledshielding. Core electrons are the most effectiveat shielding. Effective Nuclear Charge The effective nuclear charge, Z ,eff the net attraction of an electron to a nucleus after screening. Z eff≈ Z – core electrons • Z effincreases from left to right across a row in the periodic table. • Z effreases slightly as you move down a column. Periodic Trends in Properties of Elements Atomic Radius r = ½ d …decreases from left to

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Chapter 8, Problem 8-37 is Solved
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Textbook: Quantitative Chemical Analysis
Edition: 8
Author: Daniel C. Harris
ISBN: 9781429218153

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(a) Would you need NaOH or HCl to bring the pH of 0.050 0 M HEPES (Table 8-2) to 7.45