The organic matter in a 3.776-g sample of a mercuric ointment is decomposed with HNO3. After dilution, the Hg2+ is titrated with 21.30 mL of a o.1144 M solution of NH4SCN. Calculate the percent Hg (200.59 g/mol) in the ointment. Hg2+ + 2SCN- → Hg(SCN)2 (aq)
The organic matter in a 3.776-g sample of a mercuric ointment is decomposed with HNO3. After dilution, the Hg2+ is titrated with 21.30 mL of a o.1144 M solution of NH4SCN. Calculate the percent Hg (200.59 g/mol) in the ointment. Hg2+ + 2SCN- → Hg(SCN)2 (aq)
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:The organic matter in a 3.776-g sample of a mercuric ointment is decomposed with HNO3.
After dilution, the Hg2+ is titrated with 21.30 mL of a o.1144 M solution of NH4SCN. Calculate
the percent Hg (200.59 g/mol) in the ointment.
Hg2+ + 2SCN- → Hg(SCN)2 (aq)
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