Updated 6/8/2023

Now that I have a new batch of Red Cabbage indicator. I would like to investigate some of the chemistry of a recently collected sample of seawater, specifically the following:-

• The pH of seawater.
  
  • Video
• If adding eggshells changes the pH.

Background to this

Eggshell, contains Calcium Carbonate $\ce{CaCO3}$ when added to vinegar $\ce{CH3COOH}$ the pH value increases.

Related information

• Chemistry of egg and eggshells

Adding eggshell to vinegar increases the pH of the vinegar. I will write up my experiment / results and share this. What I want to know is can eggshell do the same to seawater.

This may be a possible solution to ocean acidification.

Links

• Science Forums

Write-up

You can find my write up for this experiment in PDF here. You may want to right click and download, otherwise it will probably just open in a browser. Provided as-is, but it should cover what I did, my results and conclusion.

Tags

#Chemistry,#HomeChemistry,#HomeChemistry16,#Science,#Seawater,#pH,#Investigation

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