Determine the pH at the point in the titration of 40.0 mL of 0.200 M H2NNH2 with 0.100 M HNO3 after 100.0 mL of the strong acid has been added. The value of Kb for H,NNH, is 3.0 x 10-6. 1 NEXT > Use the table below to determine the moles of reactant and product after the reaction of the acid and base. H2NNH2(aq) H*(aq) -> H2NNH,*(aq) Before (mol) Change (mol) After (mol)

Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter16: Reactions Between Acids And Bases
Section: Chapter Questions
Problem 16.58QE
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Determine the pH at the point in the titration of 40.0 mL of 0.200
M H2NNH2 with 0.100 M HNO3 after 100.0 mL of the strong acid
has been added. The value of Kb for H,NNH, is 3.0 × 10-6.
( PREV
1
Based on the result of the acid-base reaction, determine the pH of the
solution.
pH
RESET
6.21
7.79
11.3
2.70
1.85
1.70
3.91
10.1
12.3
3.70
17.7
Transcribed Image Text:Determine the pH at the point in the titration of 40.0 mL of 0.200 M H2NNH2 with 0.100 M HNO3 after 100.0 mL of the strong acid has been added. The value of Kb for H,NNH, is 3.0 × 10-6. ( PREV 1 Based on the result of the acid-base reaction, determine the pH of the solution. pH RESET 6.21 7.79 11.3 2.70 1.85 1.70 3.91 10.1 12.3 3.70 17.7
Determine the pH at the point in the titration of 40.0 mL of 0.200
M H2NNH2 with 0.100 M HNO3 after 100.0 mL of the strong acid
has been added. The value of Kb for H2NNH2 is 3.0 x 10-8.
NEXT >
Use the table below to determine the moles of reactant and product after the
reaction of the acid and base.
H2NNH2(aq)
H*(aq)
H2NNH3*(aq)
Before (mol)
Change (mol)
After (mol)
5 RESET
0.100
0.200
1.00 x 10-2
-1.00 x 10-2
2.00 x 10-3
-2.00 x 10-3
6.00 x 10-3
-6.00 x 10-3
7.00 x 10-3
-7.00 x 10-3
8.00 x 10-3
-8.00 x 10-3
Transcribed Image Text:Determine the pH at the point in the titration of 40.0 mL of 0.200 M H2NNH2 with 0.100 M HNO3 after 100.0 mL of the strong acid has been added. The value of Kb for H2NNH2 is 3.0 x 10-8. NEXT > Use the table below to determine the moles of reactant and product after the reaction of the acid and base. H2NNH2(aq) H*(aq) H2NNH3*(aq) Before (mol) Change (mol) After (mol) 5 RESET 0.100 0.200 1.00 x 10-2 -1.00 x 10-2 2.00 x 10-3 -2.00 x 10-3 6.00 x 10-3 -6.00 x 10-3 7.00 x 10-3 -7.00 x 10-3 8.00 x 10-3 -8.00 x 10-3
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