For each part of the Iron Oxalate experiment, you will need to turn in a pre-lab for it. The following guidelines are for part 2 of the experiment.

Pre-lab Report Guidelines for Iron Oxalate Experiment (period 2 ONLY). This is an individual pre-lab for Titration Analysis of Oxalate

(i) Title
(ii) Reference of procedures
(iii) Introduction
(iv) Procedures (flow chart) (see P. 101 under period 2)
(v) MSDS information

The following chemicals will require you to use the MSDS database on the Web (see Lecture Syllabus):

You should record the following MSDS information in your notebook for the chemicals listed above.

(Printouts directly from the Web pages will NOT be accepted!!)

(a) Product Name
(b) Chemical Formula
(c) Formula Weight
(d) Melting Point; Boiling Point and Density
(e) Health Hazard Data (summarize in your own words)
(f) Spill and Disposal procedures (summarize in your own words)

(vi) Prelab study questions (Must show all work for FULL credit)

Complete problems 1 and 2 under period 2 on p.99.

(vii) Data/observations (start a new page for this section)

Set up tables but leave blank. You MUST record all the observations into your lab notebook during your lab sessions.

Post-lab Report Guidelines for Iron Oxalate Experiment (Part 2)

Titration Analysis of Oxalate

Depending on which task you performed prepare a table for either the titration data or the colorimetric data. Write in your notebook the raw data from the other analyses, so that each person has a full set of data in his or her notebook. Indicate who acquired the data.

(A) Titration Data (see p.103 under Analyses)

Orderly record of data

Data tables should have proper titles/labels

(B) Data Analysis (MUST SHOW ALL WORK FOR FULL CREDIT)

Calculate the moles of oxalate in each of your titrations, based on the Stoichiometry of equation 3, p. 98

Calculate the moles of oxalate/gm of product for each titration

Determine the ratio moles of oxalate/gm product:moles of iron/gm product

Propose a formula for the complex ion that you prepared and another one for the neutral salt that you prepared

(C) Error Analysis (MUST SHOW ALL WORK FOR FULL CREDIT)

Calculate the % differencde in your experimental molecular weight and the one for the compound you are proposing.
Discuss reasons for the differences in the two numbers
Calculate the % inherent error

(D) Conclusions

summarize results