All GRE Subject Test: Chemistry Resources
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:
Convert the moles of to grams:
To calculate the percentage of in the vinegar we need to use the following formula: