. A 0.57 gram sample aspirin (MM=180 g/mol) is crushed and dissolved in water. The sample is titrated with 0.20 M sodium hydroxide. The titration required an average volume of 8.50 ml of sodium hydroxide to reach the endpoint. What is the purity of the sample?
. A 0.57 gram sample aspirin (MM=180 g/mol) is crushed and dissolved in water. The sample is titrated with 0.20 M sodium hydroxide. The titration required an average volume of 8.50 ml of sodium hydroxide to reach the endpoint. What is the purity of the sample?
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter4: Chemical Reactions
Section: Chapter Questions
Problem 4.123QP: A 0.608-g sample of fertilizer contained nitrogen as ammonium sulfate, (NH4)2SO4. It was analyzed...
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1. A 0.57 gram sample aspirin (MM=180 g/mol) is crushed and dissolved in water. The sample is titrated with 0.20 M sodium hydroxide. The titration required an average volume of 8.50 ml of sodium hydroxide to reach the endpoint. What is the purity of the sample?
2. Nitrosyl chloride, NOCl, dissociates on heating as shown below. When a 1.50 gram sample of pure NOCl is heated at 350 oC in a volume of 1.00 liter, the percent dissociation is found to be 57.2%. What is the quilibbrium constant?
NOCl <-> NO + 1/2 CL2
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