A cyanide solution with a volume of 12.98 mL was treated with 23.00 mL of Ni2+ solution (containing excess Ni²+) to convert the cyanide into tetracyanonickelate(II): 4 CN+Ni²+ Ni(CN)2 The excess Ni2+ was then titrated with 10.60 mL of 0.01231 M ethylenediaminetetraacetic acid (EDTA): -> Ni2+ + EDTA-Ni(EDTA)2- Ni(CN) does not react with EDTA. If 38.70 mL of EDTA were required to react with 30.26 mL of the original Ni²+ solution, calculate the molarity of CN in the 12.98 mL cyanide sample. [CN-]=
A cyanide solution with a volume of 12.98 mL was treated with 23.00 mL of Ni2+ solution (containing excess Ni²+) to convert the cyanide into tetracyanonickelate(II): 4 CN+Ni²+ Ni(CN)2 The excess Ni2+ was then titrated with 10.60 mL of 0.01231 M ethylenediaminetetraacetic acid (EDTA): -> Ni2+ + EDTA-Ni(EDTA)2- Ni(CN) does not react with EDTA. If 38.70 mL of EDTA were required to react with 30.26 mL of the original Ni²+ solution, calculate the molarity of CN in the 12.98 mL cyanide sample. [CN-]=
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![A cyanide solution with a volume of 12.98 mL was treated with 23.00 mL of Ni²+ solution (containing excess Ni²+) to convert
the cyanide into tetracyanonickelate (II):
4 CN- + Ni²+ ->>
Ni(CN)
The excess Ni2+ was then titrated with 10.60 mL of 0.01231 M ethylenediaminetetraacetic acid (EDTA):
Ni2+ + EDTA4 → Ni(EDTA)2-
Ni(CN) does not react with EDTA. If 38.70 mL of EDTA were required to react with 30.26 mL of the original Ni²+ solution,
calculate the molarity of CN in the 12.98 mL cyanide sample.
[CN-]=](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fae1ccb7e-03b3-4874-ac1a-97be6c6196e4%2F5915cf80-5888-4bda-a306-e9266a8700b5%2Fuz8rc2l_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A cyanide solution with a volume of 12.98 mL was treated with 23.00 mL of Ni²+ solution (containing excess Ni²+) to convert
the cyanide into tetracyanonickelate (II):
4 CN- + Ni²+ ->>
Ni(CN)
The excess Ni2+ was then titrated with 10.60 mL of 0.01231 M ethylenediaminetetraacetic acid (EDTA):
Ni2+ + EDTA4 → Ni(EDTA)2-
Ni(CN) does not react with EDTA. If 38.70 mL of EDTA were required to react with 30.26 mL of the original Ni²+ solution,
calculate the molarity of CN in the 12.98 mL cyanide sample.
[CN-]=
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