A Water Sample Collected Downstream from a Gold-Mining Operation Returns

question 10

Essay

A water sample collected downstream from a gold-mining operation returns a cyanide concentration of 6.18 g/L CN⁻.A 10-mL aliquot is spiked with 100 L of 500.0 g/L sodium cyanide and analyzed.Analysis returns a cyanide concentration of 10.5 g/L CN⁻.What is the percent recovery for the spike?

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Definitions:

Confrontation

A direct encounter or challenge between parties where differences are openly discussed or faced, often seen as a means to resolve disagreements.

Confusion

A state of being bewildered or unclear in one’s mind about something.

Avoidance

A behavior or strategy aimed at keeping away from certain situations or stimuli that are perceived as harmful or unpleasant.

Therapeutic Alliance

The collaborative bond and trust between a therapist and client, considered to be a crucial factor in the effectiveness of therapy.