In an experiment where you standardize EDTA with calcium carbonate and then have EDTA as the...

60.1K

Verified Solution

Question

Chemistry

In an experiment where you standardize EDTA with calciumcarbonate and then have EDTA as the titrant and zinc as the analyteto determine the amount of zinc, which of the following arepotential sources of error in the determination of the mean andrelative standard deviation for the amount of zinc in yourunknown?
Select all answers that apply.
1) Lack of homogeneity in the indicator solution
2) Not dissolving calcium carbonate completely
3) Inconsistencies in pipetting the zinc unknown
4) Systematic error in the buret calibrations
5) Failing to quantitatively transfer calcium carbonate
6) Sharing the indicator bottle
7) Over-titrating

Answer & Explanation Solved by verified expert

4.5 Ratings (769 Votes)

The sources of errors are 1 The inhomogeneity of the indicator as if the indicator is localised not completely homogeneous throughout the solution it may not take the concentration of the rest of the See Answer

Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:

Unlimited Question Access with detailed Answers
Zin AI - 3 Million Words
10 Dall-E 3 Images
20 Plot Generations
Conversation with Dialogue Memory
No Ads, Ever!
Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!

Become a Member