Chemical Forums

Chemistry Forums for Students => High School Chemistry Forum => Topic started by: UnfadingBus on October 27, 2021, 09:58:07 PM

Title: Spectrophotometry Lab
Post by: UnfadingBus on October 27, 2021, 09:58:07 PM

I am having a lot of trouble with my high school lab project:

https://docs.google.com/document/d/1gmE4RiJi4FlaMTdPu9Qr9pFpDpt1_DVKJ5hwqvURnMY/edit?usp=sharing

I am quite confused about why we add nitric acid to the solution?

Title: Re: Spectrophotometry Lab
Post by: Borek on October 28, 2021, 02:55:25 AM

What do you know about properties of Fe³⁺?

Can you think of any ions present in the solution that could interfere?