Run 1Run 2Molarity of KMnO4 solution (M) from bottle0.001010.00101Initial reading of buret KMnO4 (mL)0.6211.35Final reading of buret KMnO4 (mL)11.3321.70 Run 1Run 2Volume of KMnO4 solution (mL) Moles of MnO4- used for titration (mol) Moles of C2O42- in 100.0 mL of solution (mol) Molarity of C2O42- (M) Molarity of Cd2+ (M) Ksp of CdC2O4 Average Ksp of CdC2O4 Calculations:Moles of MnO4- used for titration of saturated solution CdC2O4Moles of C2O42- in 100.0 mL of saturated solution of CdC2O4Molarity of C2O42- in saturated solution of CdC2O4Molarity of Cd2+ in saturated solution of CdC2O4Solubility product, Ksp, of CdC2O4

2 KMnO4 + CdC2O4 → K2C2O4 + Cd(MnO4)2 Mole to mole ratio of KMnO4 : CdC2O4 = 2 : 1

Answered: Run 1 Run 2 Molarity of KMnO4…

Introductory Chemistry For Today

8th Edition

ISBN:9781285644561

Author:Seager

Publisher:Seager

Chapter7: Solutions And Colloids

Section: Chapter Questions

Problem 7.107E

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	Run 1	Run 2
Molarity of KMnO₄ solution (M) from bottle	0.00101	0.00101
Initial reading of buret KMnO₄ (mL)	0.62	11.35
Final reading of buret KMnO₄ (mL)	11.33	21.70

	Run 1	Run 2
Volume of KMnO₄solution (mL)
Moles of MnO₄^- used for titration (mol)
Moles of C₂O₄^2- in 100.0 mL of solution (mol)
Molarity of C₂O₄^2- (M)
Molarity of Cd²⁺ (M)
K_sp of CdC₂O₄
Average K_sp of CdC₂O₄

Calculations:

Moles of MnO₄^- used for titration of saturated solution CdC₂O₄
Moles of C₂O₄^2- in 100.0 mL of saturated solution of CdC₂O₄
Molarity of C₂O₄^2- in saturated solution of CdC₂O₄
Molarity of Cd²⁺ in saturated solution of CdC₂O₄
Solubility product, K_sp, of CdC₂O₄

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