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): What is the ppm? 10,290 ppm 12,390 ppm 11,270 ppm 990 ppm
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): What is the ppm? 10,290 ppm 12,390 ppm 11,270 ppm 990 ppm
Chapter7: Statistical Data Treatment And Evaluation
Section: Chapter Questions
Problem 7.26QAP
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Question
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):
What is the ppm?
|
10,290 ppm |
||
|
12,390 ppm |
||
|
11,270 ppm |
||
|
990 ppm |
Transcribed Image Text:Table 1. Standrdization of the EDTA solution
mass of CaCO3
0.4567 g
used
Initial burette reading 8.20 mL
Final burette reading 15.65 mL
Volume consumed 7.45 mL
Table 2. Determination of Hardness of Water
Volume of water
sample
50.00 mL
Initial burette reading 15.65 mL
Final burette reading 24.85 mL
Volume consumed 9.20 mL
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