3
votes
2answers
182 views

All else held equal, does a pot of tea have more total caffeine than a mug?

Let's say you have one tea bag and can either brew it in a mug of boiling water, or a larger tea kettle of boiling water. The temperature, steeping time, type of tea bag, etc. are held constant. ...
3
votes
3answers
2k views

Dissolving Egg Shell

I know that an egg shell is made up of approximately 92% Calcium Carbonate. The remaining percentage of the mass is a protein matrix. I know that vinegar (5% acetic acid) dissolves the Calcium ...