a-c Calculations:Part 1:1. Follow the steps below to calculate the concentration of CaCO3 (in units of ppm or mg/L.) based on your twoendpoint measurements. This is the measure of your water hardness.a. Using the molarity and volume of titrant added, determine the moles of titrant added to yoursolution. Do this for both endpoint measurements.0.0 051.0. ol M. O10H L0-001M.0. 01 04L- 1.04 X10"S MOL EDTA: 1.051X10-4EPTÁb. Based on (a) and the chemical equation for the reaction, calculate the moles of calcium carbonatetitrated. Do this for both endpoint measurements.Motesmor EDIA. Mel Calco3|.040x.105 Mol ca etyc. Based on (b), calculate the concentration of calcium carbonate in units of ppm or mg/L. This is ameasure of the water hardness of the provided water sample. Do this for both endpointmeasurements.1-osd. Calculate the average water hardness (in units of ppm) based on your two measurements. Data:Part I.Calculation for dilution of 1000 Ppm CaCO, to 200 ppm CaCO:M, V, = Mz VzCo00r.m)CV) (200)2o000J000V4- 20mLCalculate the volume of titrant (10 mM EDTA) required to reach the endpoint:9 somte .200 PPM• olgMM- 100.0ggiml0.01gy IM6!100.0agly619.99 X1ó 5mol Caco,q.99x105MOIEDTA9.99VI6'SM=n V0.01M1ONM 1032 0.0l AMV = . 00999LV-n.99 ML 10 mL EDTAPart 2.Hach-1 test trip results and corresponding water hardness: --50ppmCalculate the volume of titrant (1 mM EDTA) required to reach the end point:g soute = S0ppmx50MMCACO3" 100.09glmol1060.0025g x IMo = 2.50 x1osMol100.09- 2.50x 10 S MOI EDTAV=n :2.5XIos0. 001MV = .025 Lv= 25 ML EOTA: .001 MED TAble 1: Titration Data for Parts 1 and 2Known SolutionKnown SolutionNatural WaterTrial 1Trial 2Samplenitial Burette Reading (mL)5.24 mL15.4 6 mL3.8712.니1 mLinal Burette Reading (mL)15.78 mL26.19 mlLo. 40m L8.54 muolume Titrant Added (mL)to. 51 ML

To determine: a) Moles of titrant added to the solution b)Moles of Calcium carbonate titrated…

1. Follow the steps below to calculate the concentration of CACO3 (in units of ppm or mg/L) based on your two endpoint measurements. This is the measure of your water hardness. a. Using the molarity and volume of titrant added, detemine the moles of titrant added to your solution. Do this for both endpoint measurements. n M.V

1. Follow the steps below to calculate the concentration of CACO3 (in units of ppm or mg/L) based on your two endpoint measurements. This is the measure of your water hardness. a. Using the molarity and volume of titrant added, detemine the moles of titrant added to your solution. Do this for both endpoint measurements. n M.V

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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