An unknown solution labeled only by its concentration was analyzed. It was labeled to have 1.000 M X(NO,)2 and known to be a metal cation. To find out to identity of the cation, a 10.00 mL aliquot of the solution was reacted with 10.00 mL of 1.000 M NaOH solution and heated according to the reactions below:

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Using the information (image),

  • Calculate the theoretical moles of NaOH needed to FULLY consume all the X(NO3)2 in the solution. ___________ mol NaOH.
  • What is the limiting reactant for the first reaction? _________________
  • Calculate the theoretical amount of the metal precipitate (B) formed in the second reaction. ___________ moles
An unknown solution labeled only by its concentration was analyzed. It was
labeled to have 1.000 M X(NO,), and known to be a metal cation. To find out
to identity of the cation, a 10.00 mL aliquot of the solution was reacted with
10.00 mL of 1.000 M NaOH solution and heated according to the reactions
below
(1st reaction) X(NO,)2+2 NaOH A+2 NANO,
(2nd reaction) A + heat
B H,0
Transcribed Image Text:An unknown solution labeled only by its concentration was analyzed. It was labeled to have 1.000 M X(NO,), and known to be a metal cation. To find out to identity of the cation, a 10.00 mL aliquot of the solution was reacted with 10.00 mL of 1.000 M NaOH solution and heated according to the reactions below (1st reaction) X(NO,)2+2 NaOH A+2 NANO, (2nd reaction) A + heat B H,0
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