How To Make A Titration Curve In Excel

Creating a Titration Curve in Excel 2013

Understanding Titration Curves

A titration curve graphically represents the change in the quantity of a solution as titrant is added. For acid-base titrations, the curve depicts the variation in pH in response to titrant volume, with a typical sigmoidal shape for strong acid-strong base reactions. Key parameters include solution volume, analyte concentration, and the ion-product constant for water (Kw).

Setting Up Your Data

Enter the volume of titrant added in one column and the corresponding pH measurements in an adjacent column. Ensure that the concentration of the titrant and the analyte are noted, as these will influence the curve's shape.

Plotting the Curve

Select the data and insert a scatter plot. This will create a preliminary graph of your titration data.

Customizing the Axes

To manually set the x-axis, right-click the axis, and choose "Select Data". Next, adjust the axis values to reflect the range of titrant volumes used in your experiment.

Finalizing the Titration Curve

Refine your curve by applying additional formatting options for a clear and precise titration curve presentation. Label your axes appropriately with volume of titrant and pH.

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