Identify the oxidizing agent in the chemical reaction                    5Fe+2(aq) + MnO4-(aq) + 8H+(aq)                5Fe+3 + Mn+2(aq) + 4H2O(l)   The answer is ………………………………

Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter21: The Chemistry Of The Main Group Elements
Section: Chapter Questions
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  1. Identify the oxidizing agent in the chemical reaction

 

                 5Fe+2(aq) + MnO4-(aq) + 8H+(aq)                5Fe+3 + Mn+2(aq) + 4H2O(l)

 

The answer is ………………………………

 

  1. Calculate the total number of atoms in 500 Ml OF 0.200 M KNO3 solution.

 

 

The answer is ………………………………              

 

 

  1. Mg has three stable isotopes. Given a sample of Mg with the following masses and percent abundances:

24Mg:  23.9850 amu,   58.42%

25Mg:  24.9858 amu,   15.22%

26Mg:  25.9826 amu,   26.36%

The average atomic mass (in amu) is ……………………

 

  1. What mass of Na2SO4 is needed to prepare 350. mL of a solution having a sodium ion concentration of 0.125 M

 

 

The answer is ………………………

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