Quiz Review

Tomorrow is gonna be our quiz, so I better study up! I think the hardest part of the quiz will be on electron configuration, so I've found a really helpful video by Khan Academy that I'll definitely use to study.

Spectroscopic Analysis of Cr and Co

This lab was probably one of the most tedious we've had so far. Having to adjust the measurements every time we upped the wavelength took way too long than it should. Ganon and I used two different spectrophotometers, and the lab still took us until the bell. 

Our spectrophotometer looked a little like this

Flame Test Lab

In our Flame Test Lab, we burned chemicals using the Bunsen burner and observed the colors produced. We also used blue cobalt glass to cancel out the orange of the flame and better observe the colors produced.

Some of the different colors we produced

Acids and Bases Final Exam Tomorrow!

This test is supposed to be the hardest we've had so far, so we better study up! Some areas I know I need to review are the conjugate acid-base pairs and acid/base strength. Luckily I found some links to help me study up!

Acid-Base Pairs
Acid Dissociation Equilibrium
pH
Ice Box

And the Mystery Acid Has Been Revealed!

Today, Mrs. Frankenberg gave us our percent error & revealed our mystery acid. It was..... our Aspirin! Turns out Detective Ganon was right all along.

Molar Mass of Unknown Acid Lab Day 2

Today was day two of our Molar Mass of Unknown Acid Lab. We were able to finish our titrations and even get some calculations finished. Ganon pointed out to me that our aspirin was missing, and the containers of aspirin were near the containers of the unknown acid. Hmmmm....

The lightest pink we've ever gotten.

Molar Mass of Unknown Acid Lab Day 1

Today we started our Molar Mass of Unknown Acid Lab. We decided to standardize our NaOH again, but in turn didn't have time to start titrating our unknown acid. Tomorrow though, we'll be able to finish and check our percent error in the meantime.

 Standardizing our NaOH and attempting to heat up the acid to no avail :'(

btw happy Lunar New Year

Percent Acetic Acid in Vinegar Lab Day 2

Today we finished the the Percent Acetic Acid in Vinegar lab, and were able to get some calculations in too. I don't think our percent error will be very big, but we'll see.

A bunch of chemicals and people's feet

Percent Acetic Acid in Vinegar Lab Day 1

Today was the first day of our Percent Acid in Vinegar Lab. We only have time to gather data needed to standardize the NaOH solution, but I think we will have enough time tomorrow to finish the lab.

We had to pay super close attention to our Erlenmeyer flasks when titrating the solutions.