A cyanide solution with a volume of 13.87 mL was treated with 24.00 mL of Ni+ solution (containing excess Ni*) to convert the cyanide into tetracyanonickelate(II): 4 CN- + Nt - Ni(CN); The excess Ni+ was then titrated with 10.65 mL of 0.01249 M ethylenediaminetetraacetic acid (EDTA): Ni+ + EDTA - Ni(EDTA)?- Ni(CN) does not react with EDTA. If 39.44 ml of EDTA were required to react with 29.04 mL of the original Ni+ solution. calculate the molarity of CN- in the 13.87 mL cyanide sample. 1.56 x10-5 (CN | = Incorrect

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A cyanide solution with a volume of 13.87 mL was treated with 24.00 mL of Ni+ solution (containing excess Ni2*) to convert
the cyanide into tetracyanonickelate(lI):
4 CN- + Nit - Ni(CN);
The excess Ni?+ was then titrated with 10.65 ml of 0.01249 M ethylenediaminetetraacetic acid (EDTA):
Ni?+ + EDTA - Ni(EDTA)-
Ni(CN) does not react with EDTA. If 39.44 ml. of EDTA were required to react with 29.04 mL of the original Ni+
calculate the molarity of CN- in the 13.87 mL cyanide sample.
solution,
1.56 x10-5
(CN-] =
Incorrect
Transcribed Image Text:A cyanide solution with a volume of 13.87 mL was treated with 24.00 mL of Ni+ solution (containing excess Ni2*) to convert the cyanide into tetracyanonickelate(lI): 4 CN- + Nit - Ni(CN); The excess Ni?+ was then titrated with 10.65 ml of 0.01249 M ethylenediaminetetraacetic acid (EDTA): Ni?+ + EDTA - Ni(EDTA)- Ni(CN) does not react with EDTA. If 39.44 ml. of EDTA were required to react with 29.04 mL of the original Ni+ calculate the molarity of CN- in the 13.87 mL cyanide sample. solution, 1.56 x10-5 (CN-] = Incorrect
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