Weight of the mustard package Sample: 3.02 (g)
Weight of the mustard package Solution: 33.3 (g)
Trial #1 Trial #2 Trial #3
Weight of Mustard Package Solution Delivered (g) : 1.09 .948 .909
Weight of NaOH Solution Delivered (g) : .354 .304 .269
Concentration of NaOH : 7.48e-3 (g of NaOH/g of solution)
Calculate the weight percent of acetic acid in the sample of mustard solution titrated. (3 trials)
Calculate the average weight percent of acetic acid in the sample of mustard solution titrated.
Finally, calculate the original weight percent of acetic acid in the original mustard package.
To calculate the weight percent of acetic acid in the sample of mustard solution titrated, you need to use the following formula:
Weight percent = (Weight of acetic acid / Weight of sample) * 100
In this case, you have the weight of acetic acid from three trials, and the weight of the mustard package from the sample. Let's calculate the weight percent for each trial:
Trial #1:
Weight of acetic acid = Weight of NaOH Solution Delivered - Weight of NaOH Solution Delivered * Concentration of NaOH
Weight of sample = Weight of Mustard Package Solution Delivered
Weight percent = (Weight of acetic acid / Weight of sample) * 100
Plugging in the values:
Weight of acetic acid = 0.354 g - 0.354 g * 7.48e-3 g/g = 0.326 g
Weight of sample = 1.09 g
Weight percent = (0.326 g / 1.09 g) * 100 = 29.91%
Repeat the same calculation for trial #2 and trial #3 using the corresponding weights of acetic acid and sample for each trial.
To calculate the average weight percent of acetic acid in the sample, you need to calculate the average of the weight percent values obtained from the three trials. Add up the weight percent values and divide by 3.
Finally, to calculate the original weight percent of acetic acid in the original mustard package, you need to multiply the average weight percent by the weight of the mustard package sample and divide by the weight of the original mustard package.
Formula:
Original weight percent of acetic acid = (Average weight percent * Weight of mustard package sample) / Weight of original mustard package
Plugging in the values, you can calculate the original weight percent of acetic acid in the original mustard package.