A 10.00g-cocoa powder sample was dissolved in concentrated acid and diluted to 100.00 ml using distilled water. The solution was found to certain 5.00 microgram Fe. Calculate concentration of Fe in the cocoa powder in parts-per-million.

A 10.00g-cocoa powder sample was dissolved in concentrated acid and diluted to 100.00 ml using distilled water. The solution was found to certain 5.00 microgram Fe. Calculate concentration of Fe in the cocoa powder in parts-per-million.

Appl Of Ms Excel In Analytical Chemistry

2nd Edition

ISBN:9781285686691

Author:Crouch

Publisher:Crouch

Chapter10: Potentiometry And Redox Titrations

Section: Chapter Questions

Problem 8P

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Question

100%

A 10.00g-cocoa powder sample was dissolved in
concentrated acid and diluted to 100.00 ml using
distilled water. The solution was found to certain
5.00 microgram Fe. Calculate concentration of Fe
in the cocoa powder in parts-per-million.

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