Determining Chloride Concentration in An Unknown Solution Lab Report Questions

Using the lab manual and provided excel data, calculate the chloride concentration in the unknown solution, seawater solution, and answer all supplementary questions.

Attach all neatly completed math, both sigmoidal/derrivative graphs, and tables.

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0.6955

0.8057

  1. What is the function of salt bridge?

 

  1. Why do we need to try NaCl in an oven at a temperature above 125 oC for 2 hours?

 

2. Please write the half reactions and their corresponding Nernst equations.

 

  1. Why do we need the first derivative curve to calculate the equivalence point?

 

  1. What other methods you could be used to determine the chloride concentration in an unknown solution?

 

 

 

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