Laboratory Report Sheetexperiment

a) Plot the titration curves (pH vs Vol. HNO3) for Ti02, MgO, ZnO and AI2O3 and the corresponding blank curve.

b) Plot the titration curve for Si02 and the corresponding blank curve.

Volume of the supporting electrolyte _mL

Initial pH of the supporting electrolyte _

c) Using your results from the points a) and b), fill-in the following table:


Amount used, mg

Supporting electrolyte

Initial pH (after mixing)

Experim. pzc

Accepted pzc




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