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Vinegar Analysis Lab for Chemistry

Vinegar Analysis (CH COOH )
Research Question: A solution of sodium hydroxide of known concentration is used to titrate a known volume of vinegar to the phenolphthalein end point to determine the amount of ethanoic acid that was present in the sample of vinegar. What is the percent of ethanoic acid by mass that was in the vinegar? ... Those moles multiplied by the theoretical mass of CH COOH per mol would give the grams of CH COOH found in the vinegar. Then simplify to the number of grams of CH COOH found in one gram of vinegar and multiply by a hundred to get the percent by mass of CH COOH. ... 05(g) CH OOH / 1mol CH COOH
      Percent by mass of CH COOH = mass(g) / mass(g) Vinegar
      Density of Vinegar = 1(g/ml)

Materials: 3mL white vinegar (red tag)                     Pipette Filler ( +- 0. ...
           Do not fool around while in the chemistry room.


Approximate Word count = 733
Approximate Pages = 2.9
(250 words per page double spaced)
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