9. HEDTA is a weak polyprotic acid with has 4 acidic protons with the following K, values: Ka, -0.0100; K = 0.0022; K, =

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9. HEDTA is a weak polyprotic acid with has 4 acidic protons with the following K, values: Ka, -0.0100; K = 0.0022; K, =

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9 Hedta Is A Weak Polyprotic Acid With Has 4 Acidic Protons With The Following K Values Ka 0 0100 K 0 0022 K 1
9 Hedta Is A Weak Polyprotic Acid With Has 4 Acidic Protons With The Following K Values Ka 0 0100 K 0 0022 K 1 (50.84 KiB) Viewed 80 times
Weak Polyprotic Acid = H4EDTA
9. HEDTA is a weak polyprotic acid with has 4 acidic protons with the following K, values: Ka, -0.0100; K = 0.0022; K, = 6.90 x 10-7: Ky -5.80 x 10-11, Consider the titration of 10.00 mL of 0.152 M HEDTA with 0.240 M NaOH to answer the following questions: a) Write the net ionic reaction for the titration reaction that occurs between the initial point of the titration and the 1" equivalence point? (1 pt) b) What ionization reaction (aka hydrolysis reaction) occurs between the initial point of the titration and the 1" equivalence point? (1 pt) c) What volume of 0.240 M NaOH is needed to reach the third equivalence point? (2 pts) d) Between which two points is [H2EDTA®]> [HEDTA”) when both conjugates are present during this titration? (1 pt) and c) What conjugate pair exists in equal concentration at midpoint #2? (po) and 1) Calculate K of EDTA. pis) 1) Alph-11.00, which derivative of HEDTA. is domina (1 p) b) What is the approximate pli at midpoint 2? (po
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