1. Assuming that you recovered 100% of the acetanilide in the sample, how much of the mass of the original sample was made up of impurities?
1 answer
Question:
1. Assuming that you recovered 100% of the acetanilide in the sample, how much of the mass of the original sample was made up of impurities?
Answers
Question is incomplete, complete question is:Assuming that you recovered 100% of the acetanilide in the sample, how much of the mass of the original sample was made up of impurities?Mass of impure sample = 1.728 gMass of purified crystals = 0.201 gAnswer:1.527 grams of impurity is present in 1.728 grams of impure sample.Explanation:Mass of sample = 1.728 gMass of pure crystal of acetanilide = 0.201 gMass of acetanilide we want to collect = 0.201 gPercentage recovery of the acetanilide = 100%Mass of impurity = m100% recover means that all the acetanilide has been crystallized into pure compound. So, amount of sample will be equal to sum of mass of an impurity and mass of pure crystal.[tex]1.728 g=m + 0.201 g[/tex]m = 1.728 g - 0.201 g = 1.527 g1.527 grams of impurity is present in 1.728 grams of impure sample.
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