The next 7 questions are related to the titration of 60.0 mL of a 0.0250 M...

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Chemistry

The next 7 questions are related to the titration of 60.0 mL ofa 0.0250 M Zn2+ solution with 0.0600 M EDTA in a solution bufferedat pH 11. Assume that the temperature is 25 oC and that theformation constant for Zn2+ is 3.13 x 1016 at this temperature.
How many mmols of Zn2+ are present in the solution before thetitration begins?
What volume of the EDTA solution is needed to reach theequivalence point?
What is the conditional formation constant for Zn at thispH?
What is the pZn of the analyte solution before the titrationbegins?
What is the pZn of the solution after 15 mL of titrant have beenadded?
What is the pZn at the equivalence point of the titration?
What is the pZn of the solution after 30 mL of titrant have beenadded?

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4.0 Ratings (675 Votes)

alphaY4 at pH 9 54 x 102 Kf 313 x 1016 Kf alphaY4Kf 169 x 1015 a mmol of Zn2 before titration 00250 M x 60 ml 15 mmol b Volume of EDTA required to See Answer

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