Hardness of Water

Lab Report for Hardness of Water

ALL parts EXCEPT PROCEDURE

with SAFEASSIGN

(title page)

Introduction…as usual…state the purpose and explain the chemistry involved…do NOT just list all the calculations in the intro

Data: simply use lab computer print-out…be sure to attach it in the data section (NOT AT END)

Calculations: show all the calculations…there were 7 titrations…so show 7 equations and 7 calculations and 7 answers…be sure to give the equation used, use labels, units and proper significant figures.

Discussion: State the ppm results for the water samples (tap and unknown) for the 2 methods. Compare to the actual given values and compare the 2 methods to each other. % error is a good way to compare the 4 results. Comment on accuracy and precision. Discuss sources of experimental error.

(signed carbons attached at end)

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