20. Assume you are using 0.1 M EDTA to titrate a 0.2 M Ca2t solution (25 mL) at pH 10.0. Wmolarity of free Ca* ions in the solution after 50 mL of the EDTA is added? K=5.0X101º.A. 2.11 X 106 MB. 8.16 X 10 MC. 4.97 X 106 MD. 8.36 X 10 6 M

Calculation of no. of mol of Ca2+: n=Molarity×Volume=0.2 mol/L×25×10-3 L=5×10-3 mol Calculation of…

20. Assume you are using 0.1 M EDTA to titrate a 0.2 M Ca* solution (25 mL) at pH 10.0. V molarity of free Ca* ions in the solution after 50 mL of the EDTA is added? K=5.0X1010. A. 2.11 X 106 M B. 8.16 X 106 M C. 4.97 X 10 6 M D. 8.36 X 10 6 M

20. Assume you are using 0.1 M EDTA to titrate a 0.2 M Ca* solution (25 mL) at pH 10.0. V molarity of free Ca* ions in the solution after 50 mL of the EDTA is added? K=5.0X1010. A. 2.11 X 106 M B. 8.16 X 106 M C. 4.97 X 10 6 M D. 8.36 X 10 6 M

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria

Section17.4: Solubility Of Salts

Problem 4RC: 4. What is the solubility of PbSO4 in water at 25°C if the solution already contains 0.25 M...

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20. Assume you are using 0.1 M EDTA to titrate a 0.2 M Ca2t solution (25 mL) at pH 10.0. W
molarity of free Ca* ions in the solution after 50 mL of the EDTA is added? K=5.0X101º.
A. 2.11 X 106 M
B. 8.16 X 10 M
C. 4.97 X 106 M
D. 8.36 X 10 6 M

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