CHEMISTRY
2nd Edition
ISBN: 9781593995782
Author: OpenStax
Publisher: XANEDU PUBLISHING
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Chapter 2, Problem 43E
Write a symbol for each of the following neutral isotopes. Include the
- the alkali metal with 11 protons and a mass number of 23
- the noble gas element with 75 neutrons in its nucleus and 54 electrons in the neutral atom
- the isotope with 33 protons and 40 neutrons in its nucleus
- the alkaline earth metal with 88 electrons and 138 neutrons
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Questions 4 and 5
For a titration of 40.00 mL of 0.0500 M oxalic acid H2C2O4 with 0.1000 M KOH, calculate the pH at each of the following volume of KOH used in the titration: 1) before the titration begin;2) 15 mL; 3) 20 mL; 4) 25 mL; 5) 40 mL; 6) 50 mL. Ka1 = 5.90×10^-2, Ka2 = 6.50×10^-5 for oxalic acid.
Predict the major organic product(s), if any, of the following reactions. Assume all reagents are in excess unless otherwise indicated.
Chapter 2 Solutions
CHEMISTRY
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