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6. Water sample was titrated with EDTA after pH adjustment using Eriochrome black T indicator. Knowing that the concentration of EDTA is 0.050 M and density of water sample equals to 1.10 g/mL. (CaCO,= 100.09 amu).The following results was obtained trials volume of water sample (mL) volume of EDTA (mL) 250.0 250.0 250.0 250.0 10.05 7.00 10.50 10.10 Calculate he total hardness of water as CaCO, and accordingly classify this water. The following results was obtained 1Nm 4

6. Water sample was titrated with EDTA after pH adjustment using Eriochrome black T indicator. Knowing that the concentration of EDTA is 0.050 M and density of water sample equals to 1.10 g/mL. (CaCO,= 100.09 amu).The following results was obtained trials volume of water sample (mL) volume of EDTA (mL) 250.0 250.0 250.0 250.0 10.05 7.00 10.50 10.10 Calculate he total hardness of water as CaCO, and accordingly classify this water. The following results was obtained 1Nm 4

Chemistry
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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6. Water sample was titrated with EDTA after pH adjustment using Eriochrome black T indicator. Knowing that the concentration of EDTA is 0.050 M and density of water sample equals to 1.10 g/mL. (CaCO,= 100.09 amu). The following results was obtained trials volume of water sample (mL) 250.0 250.0 250.0 volume of EDTA (mL) 10.05 7.00 10.50 250.0 10.10 Calculate he total hardness of water as CaCO, and accordingly classify this water. The following results was obtained. 1234
Transcribed Image Text:6. Water sample was titrated with EDTA after pH adjustment using Eriochrome black T indicator. Knowing that the concentration of EDTA is 0.050 M and density of water sample equals to 1.10 g/mL. (CaCO,= 100.09 amu). The following results was obtained trials volume of water sample (mL) 250.0 250.0 250.0 volume of EDTA (mL) 10.05 7.00 10.50 250.0 10.10 Calculate he total hardness of water as CaCO, and accordingly classify this water. The following results was obtained. 1234
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