EXPERIMENT : Determination of Temporary and Permanent Hardness of Water . I want Result & Analysis for this experiment includes the Precautions (a) Total Hardness = Volume of EDTA used (V2) X 1000_ ppmVolume of Sample (V1)9 x1000— 180 ррт%D50(b) Permanent Hardness = Volume of EDTA used (V4) X 1000 ppmVolume of Sample (V3)7.5 x100075 pрm%3D50(c) Temporary Hardness = Total Hardness – Permanent Hardness= 180 – 75 = 105 ppm%D

The water containing dissolved salts of calcium and magnesium is called hard water. Hard water is…

(a) Total Hardness Volume of EDTA used (V2) X 1000 ppm Volume of Sample (V1) 9 ×1000 3 180 ррт 50 (b) Permanent Hardness = Volume of EDTA used (V4) X 1000 ppm Volume of Sample (V3) 7.5 x1000 — 75 ррт %3D 50 (c) Temporary Hardness = Total Hardness – Permanent Hardness 3D 180 — 75 % 105 рpm -

(a) Total Hardness Volume of EDTA used (V2) X 1000 ppm Volume of Sample (V1) 9 ×1000 3 180 ррт 50 (b) Permanent Hardness = Volume of EDTA used (V4) X 1000 ppm Volume of Sample (V3) 7.5 x1000 — 75 ррт %3D 50 (c) Temporary Hardness = Total Hardness – Permanent Hardness 3D 180 — 75 % 105 рpm -

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter27: Gas Chromatography

Section: Chapter Questions

Problem 27.4QAP

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