What is the mass of sodium oxalate (Na2C2O4, MM = 134,00 g/mol), in mg, should be taken so that in its titration 25,00 mL of a solution of potassium permanganate (KMnO4) 0,032 mol/ L in strong acid medium? 21,4 mg 268 mg 536 mg 107 mg 134 mg

What is the mass of sodium oxalate (Na2C2O4, MM = 134,00 g/mol), in mg, should be taken so that in its titration 25,00 mL of a solution of potassium permanganate (KMnO4) 0,032 mol/ L in strong acid medium? 21,4 mg 268 mg 536 mg 107 mg 134 mg

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter1: Basic Concepts Of Chemistry

Section: Chapter Questions

Problem 43GQ: Hexane (C6H14, density = 0.766 g/cm3), perfluoro-hexane (C6F14, density = 1.669 g/cm3), and water...

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Precipitation Titration

Precipitation analysis is used to analyze drugs, and to measure the salt content in food and beverages. It is an important concept from the examination point of view many practical questions are asked on the topic. This topic is significant in the professional exams for both undergraduate and graduate courses, especially for

Question

21,4 mg

268 mg

536 mg

107 mg

134 mg

2 Mnot + 5 C20 + 16 H* → 2 Mn²* + 10 02 + 8H;0

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