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2. Could you experimentally determine if the water is safe to drink by setting up a different electrochemical cell? This involves using a Pb wire and a suitable reference electrode and measuring the equilibrium potential of the Pb wire and the dissolved Pb2+ cations in the water sample? write a few sentences fully explaining your thoughts.

2. Could you experimentally determine if the water is safe to drink by setting up a different electrochemical cell? This involves using a Pb wire and a suitable reference electrode and measuring the equilibrium potential of the Pb wire and the dissolved Pb2+ cations in the water sample? write a few sentences fully explaining your thoughts.

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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### Determining Water Safety: Electrochemical Analysis **B. Overview** Since 1993, the World Health Organization (WHO) has set the maximum allowable level of lead in drinking water at 5 µg/L. A colleague is collecting water samples from a foreign supply to use an electrochemical technique for determining the concentration of Pb²⁺ cations. **Experimental Setup** - **Volume**: 1 L of water sample - **Method**: Electroplating to deposit Pb on an inert gold cathode - **Charge Measurement**: 3.71 x 10⁻³ coulombs measured after stripping the metallic Pb from the gold surface **Tasks** 1. **Safety Evaluation According to WHO Standards** Is the water safe to drink based on the measured lead concentration? Provide detailed calculations and reasoning. 2. **Alternative Experimental Methods** Discuss if it’s feasible to verify water safety by using a different electrochemical cell. Detail the method involving a Pb wire, a reference electrode, and how to measure the equilibrium potential of Pb wire and dissolved Pb²⁺ cations. ### Questions 1. **According to the WHO, is the water safe to drink? Show all work.** 2. **Could you experimentally determine if the water is safe to drink by setting up a different electrochemical cell? This involves using a Pb wire and a suitable reference electrode, and measuring the equilibrium potential of the Pb wire and the dissolved Pb²⁺ cations in the water sample. Write a few sentences fully explaining your thoughts.**
Transcribed Image Text:### Determining Water Safety: Electrochemical Analysis **B. Overview** Since 1993, the World Health Organization (WHO) has set the maximum allowable level of lead in drinking water at 5 µg/L. A colleague is collecting water samples from a foreign supply to use an electrochemical technique for determining the concentration of Pb²⁺ cations. **Experimental Setup** - **Volume**: 1 L of water sample - **Method**: Electroplating to deposit Pb on an inert gold cathode - **Charge Measurement**: 3.71 x 10⁻³ coulombs measured after stripping the metallic Pb from the gold surface **Tasks** 1. **Safety Evaluation According to WHO Standards** Is the water safe to drink based on the measured lead concentration? Provide detailed calculations and reasoning. 2. **Alternative Experimental Methods** Discuss if it’s feasible to verify water safety by using a different electrochemical cell. Detail the method involving a Pb wire, a reference electrode, and how to measure the equilibrium potential of Pb wire and dissolved Pb²⁺ cations. ### Questions 1. **According to the WHO, is the water safe to drink? Show all work.** 2. **Could you experimentally determine if the water is safe to drink by setting up a different electrochemical cell? This involves using a Pb wire and a suitable reference electrode, and measuring the equilibrium potential of the Pb wire and the dissolved Pb²⁺ cations in the water sample. Write a few sentences fully explaining your thoughts.**
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