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Chemistry, 16.06.2020 20:57 jcultr4s3nse
The cyanide ion (CN) is highly toxic, but can be remediated in solution by redox reaction with the hypochlorite ion (the principal component of bleach). The balanced net ionic equation for this process is:
2 CN + 5 CHO' + H2O -->5 Cl + N2 + 2 HCO
A 3.5 x 10' L sample of water was found to be contaminated with cyanide ions at a concentration of 25uM.
A. How many grams of cyanide were dissolved in the total sample?
B. Assuming that the standard concentration of bleach for use in wastewater remediation is 0.20M, what volume was necessary to consume all of the cyanide in the sample?
C. Would the remediation of the sample above likely be conducted using the exact quantity of bleach solution calculated in your answer to the above question? Explain.
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