Environmental Chemistry Assignment | Professional Essay Writers |

Environmental Chemistry Assignment | Professional Essay Writers |

1. Consider a 200 mL solution at room temperature, containing an unknown amount of cadmium ions. Using a cadmium ion selective electrode, with a half cell potential given by the Nernst equation E= E° + (RT/nF)ln[Cd2+], and a calomel standard electrode, the potential of the cell was found to be -0.72 V. To this solution, 30 mL of 5 mM CdCl2 was added and the potential of the cell changed to -0.65 V.

a) What was the initial concentration of cadmium ions?
b) Assuming an uncertainty of +0.5 mV in the measurements of the potential, what is the error in the answer? Get Chemistry help Today
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Environmental Chemistry Assignment | Professional Essay Writers |

 

Environmental Chemistry Assignment | Professional Essay Writers |  Do you need help with Environmental Chemistry Assignment | Professional Essay Writers | ? At Ace my assignment by LindasHelp.com, I can take care of all your academic needs. I can write your papers, do your presentations, labs, discussion questions, and final exams too. Enjoy your life and let me do your assignments. just go to LindasHelp.com to place your order now and let me do your Environmental Chemistry Assignment | Professional Essay Writers | 

Environmental Chemistry Assignment | Professional Essay Writers | 

Environmental Chemistry Assignment | Professional Essay Writers |

1. Consider a 200 mL solution at room temperature, containing an unknown amount of cadmium ions. Using a cadmium ion selective electrode, with a half cell potential given by the Nernst equation E= E° + (RT/nF)ln[Cd2+], and a calomel standard electrode, the potential of the cell was found to be -0.72 V. To this solution, 30 mL of 5 mM CdCl2 was added and the potential of the cell changed to -0.65 V.

a) What was the initial concentration of cadmium ions?
b) Assuming an uncertainty of +0.5 mV in the measurements of the potential, what is the error in the answer? Get Chemistry help Today
TOP ACADEMIC WRITER
He has decades of experience in the education field and has served in the examination boards of some of the top Universities within & outside the United States America.

Related

Environmental Chemistry Assignment | Professional Essay Writers |

 

Environmental Chemistry Assignment | Professional Essay Writers | 

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