Part 4: Acidify Each Basic Solution

Acidify Solution G

Using a buret dispense 1.5 mL of aqueous 6M HCl directly into the flask containing solution G, again in the fume hood.

This video shows the bottom of a buret. A gloved hand raises a small flask with a colorless liquid inside up to the buret tip. Another gloved hand turns the buret stopcock and dispenses a colorless liquid into the flask. At the same time a zoomed in view of the buret shows the liquid level decreasing as it is dispensed. The liquid level goes down from 93.8 mL to 95.4 mL.

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Test the pH again

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