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Chem Problem

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I originally asked you the first question and I got the answer 7.7 but theres other parts to the problem but Im not sure what to do

In the preparation of a mustard solution, an individual package of mustard was emptied into a beaker and the mass was determined to be 3.809
grams. The mustard was then dissolved in 50.0 ml. of distilled water. The total mass of the solution was found to be 49.401 grams. Calculate the weight percent of the mustard in the prepared solution.


The result of a micro-scale titration showed that 3.91E-5 moles of NaOH were required to titrate a 0.775 gram sample of mustard solution to an orange-red end point.

Calculate the number of grams of acetic acid in the sample of mustard solution.

Calculate the weight percent of acetic acid in this titrated sample.

Using the information provided in the questions above, calculate the weight percent of acetic acid in the original package of mustard prepared above.

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