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  1. M

    Chemistry - Concentration from known pH and Ka.

    Homework Statement A particular sample of vinegar has a pH of 2.90. If acetic acid is the only acid that vinegar contains (Ka = 1.8 x 10-5), calculate the concentration of acetic acid in the vinegar. Homework Equations Ka = [Products]/[Reactants] pH = -log[H+] The Attempt at a...
  2. M

    Looking for dimensional analysis problems/solutions!

    I wasn't sure whether to put this here or in the Chemistry forum, so if it's in the wrong place I'd prefer it be moved rather than deleted. ;) Anyway. I'm struggling a bit with Dimensional Analysis, particularly of volumes/density and recognizing conversion factors when I see them. As more...
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