A) Cyanide ion (CN') causes toxicity to humans, explain the reason of its toxicity to us. Suggest a method to remove its toxicity from the blood. B) A mixture of Al³* and Mg²* in a sample of water. Explain a procedure to analyse this mixture using EDTA titrations. C) using a buffer at pH 3.0, calculate the concentration of Ni²* in a solution that was prepared by mixing 50.0 mL of 0.0300 M Ni²* with i) 20.00 mL of 0.0500 M EDTA. ii) 50.00 mL of 0.0500 M EDTA. D) If the intensity of light after it passed a blank solution was 3.42. Calculate the absorbance of a sample if a reading of light intensity was 3.72 after passing through the sample.
A) Cyanide ion (CN') causes toxicity to humans, explain the reason of its toxicity to us. Suggest a method to remove its toxicity from the blood. B) A mixture of Al³* and Mg²* in a sample of water. Explain a procedure to analyse this mixture using EDTA titrations. C) using a buffer at pH 3.0, calculate the concentration of Ni²* in a solution that was prepared by mixing 50.0 mL of 0.0300 M Ni²* with i) 20.00 mL of 0.0500 M EDTA. ii) 50.00 mL of 0.0500 M EDTA. D) If the intensity of light after it passed a blank solution was 3.42. Calculate the absorbance of a sample if a reading of light intensity was 3.72 after passing through the sample.
Chapter15: Acid-base Equilibria
Section: Chapter Questions
Problem 114CP
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Transcribed Image Text:A) Cyanide ion (CN') causes toxicity to humans, explain the reason of its toxicity to us. Suggest
a method to remove its toxicity from the blood.
B) A mixture of Al³* and Mg²* in a sample of water. Explain a procedure to analyse this mixture
using EDTA titrations.
C) using a buffer at pH 3.0, calculate the concentration of Ni²* in a solution that was prepared by
mixing 50.0 mL of 0.0300 M Ni²* with
i) 20.00 mL of 0.0500 M EDTA.
ii) 50.00 mL of 0.0500 M EDTA.
D) If the intensity of light after it passed a blank solution was 3.42. Calculate the absorbance of a
sample if a reading of light intensity was 3.72 after passing through the sample.
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