Sample weighing 7.52-g was dissolved in enough water and diluted to 250.0-mL. 100.0-mL of the dilution was transferred to another flask, 10.0-mL of 0.050M EDTA, 20-mL of buffer solution, 50-mL of alcohol and 2.0-mL dithizone TS were added. The resulting solution required 8.7-mL of 0.031M ZnSO4 to reach the endpoint. (Note: Each mL of 0.050M EDTA is equivalent to 16.66-mg Al2(SO4)3-18H20). Compute for the percent purity of the sample.
Sample weighing 7.52-g was dissolved in enough water and diluted to 250.0-mL. 100.0-mL of the dilution was transferred to another flask, 10.0-mL of 0.050M EDTA, 20-mL of buffer solution, 50-mL of alcohol and 2.0-mL dithizone TS were added. The resulting solution required 8.7-mL of 0.031M ZnSO4 to reach the endpoint. (Note: Each mL of 0.050M EDTA is equivalent to 16.66-mg Al2(SO4)3-18H20). Compute for the percent purity of the sample.
Chapter16: Applications Of Neutralization Titrations
Section: Chapter Questions
Problem 16.20QAP
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