Very pure silver nitrate standard reagent requires standardization with primary standard NaCl or KCl True FalseA water sample was analyzed for the total hardness through the reaction between the sample and EDTA. The data obtained from the experiment are presented below (MM CaCO3 = 100.0869 g/mol): Table 1. Standrdization of the EDTA solutionmass of CaCO3 used0.5467 gInitial burette reading8.25 mLFinal burette reading16.65 mLVolume consumed8.40 mL Table 2. Determination of Hardness of WaterVolume of water sample25.00 mLInitial burette reading15.00 mLFinal burette reading24.00 mLVolume consumed9.00 mL 23,469 ppm 22,456 ppm 21,290 ppm 23,990 ppm

Silver nitrate standardization requires Nacl primary standard. It is true.

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Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Very pure silver nitrate standard reagent requires standardization with primary standard NaCl or KCl

True

False

A water sample was analyzed for the total hardness through the reaction between the sample and EDTA. The data obtained from the experiment are presented below (MM CaCO₃ = 100.0869 g/mol):

Table 1. Standrdization of the EDTA solution

mass of CaCO₃ used	0.5467 g
Initial burette reading	8.25 mL
Final burette reading	16.65 mL
Volume consumed	8.40 mL

Table 2. Determination of Hardness of Water

Volume of water sample	25.00 mL
Initial burette reading	15.00 mL
Final burette reading	24.00 mL
Volume consumed	9.00 mL

		23,469 ppm
		22,456 ppm
		21,290 ppm
		23,990 ppm

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