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46. The Tl in a 7.51-g sample of rodenticide was oxidized to the trivalent state and treated with an unmeasured excess of Mg/EDTA solution. As expressed in the reaction below, the liberated Mg2+ required 15.67 mL of 0.02803 M EDTA. Calculate the % Tl₂SO4 (504.8 g/mol) in the sample. T1³+ + MgY2- → Tl + Mg²+

46. The Tl in a 7.51-g sample of rodenticide was oxidized to the trivalent state and treated with an unmeasured excess of Mg/EDTA solution. As expressed in the reaction below, the liberated Mg2+ required 15.67 mL of 0.02803 M EDTA. Calculate the % Tl₂SO4 (504.8 g/mol) in the sample. T1³+ + MgY2- → Tl + Mg²+

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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Questions Nos. 46-47

46. The Tl in a 7.51-g sample of rodenticide was oxidized to the trivalent state and treated with an unmeasured excess of Mg/EDTA solution. As expressed in the reaction below, the liberated Mg²+ required 15.67 mL of 0.02803 M EDTA. Calculate the % Tl₂SO4 (504.8 g/mol) in the sample. T1³+ + MgY2 →TV¯ + Mg²+ 1.48% O 2.95% 3.00% None of these 47. How much 0.0500 M EDTA is needed to titrate the Mg and Ca in a 0.2385-g sample that is 92.5% dolomite, CaCO, MgCO, (184.4 g/mol) 23.9 mL 47.9 mL 67.2 mL None of these
Transcribed Image Text:46. The Tl in a 7.51-g sample of rodenticide was oxidized to the trivalent state and treated with an unmeasured excess of Mg/EDTA solution. As expressed in the reaction below, the liberated Mg²+ required 15.67 mL of 0.02803 M EDTA. Calculate the % Tl₂SO4 (504.8 g/mol) in the sample. T1³+ + MgY2 →TV¯ + Mg²+ 1.48% O 2.95% 3.00% None of these 47. How much 0.0500 M EDTA is needed to titrate the Mg and Ca in a 0.2385-g sample that is 92.5% dolomite, CaCO, MgCO, (184.4 g/mol) 23.9 mL 47.9 mL 67.2 mL None of these
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