All GRE Subject Test: Chemistry Resources
Example Questions
Example Question #1 : Gravimetric Analysis
Household vinegar contains the organic compound acetic acid with chemical formula, . If a vinegar sample contains of acetic acid, calculate the percent (mass/mass) of the in the vinegar sample.
Density of vinegar is the following:
Possible Answers:
Correct answer:
Explanation:
Convert the moles of to grams:
To calculate the percentage of in the vinegar we need to use the following formula:
Therefore,
Nate
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University of Wisconsin-Oshkosh, non degree, Prepharmacy. University of Wisconsin-Madison, Pharmaceutical Chemist, Pharmacy.
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Pennsylvania State University-Main Campus, Bachelor of Science, Chemical Engineering. Carnegie Mellon University, Doctor of P...
All GRE Subject Test: Chemistry Resources
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