Construct a curve for the titration of 20.00 mL 0.0250 M selenious acid (H₂SeO3) by 0.0500 M NaOH solution. You may use MS Excel® for convenience. Titrant volumes: 0.00 mL, 5.00 mL, 10.00 mL, 15.00 mL, 20.00 mL, 25.00 mL, and 30.00 mL. H₂SeO3 + H₂O = HSO3 + H3O+ HSO3 + H₂O = SeO3²- + H3O+ Ka₁ = 2.40 × 10-3 = 4.80 × 10-⁹ Ka₂

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Construct a curve for the titration of 20.00 mL 0.0250 M selenious acid (H₂SeO3) by 0.0500 M NaOH solution. You
may use MS Excel® for convenience. Titrant volumes: 0.00 mL, 5.00 mL, 10.00 mL, 15.00 mL, 20.00 mL, 25.00 mL,
and 30.00 mL.
H₂SO3 + H₂O HSeO3 + H3O+
HSO3 + H₂O = SeO3²- + H3O+
Ka₁ = 2.40 x
10-3
Ka₂ = 4.80 x 10-⁹
Transcribed Image Text:Construct a curve for the titration of 20.00 mL 0.0250 M selenious acid (H₂SeO3) by 0.0500 M NaOH solution. You may use MS Excel® for convenience. Titrant volumes: 0.00 mL, 5.00 mL, 10.00 mL, 15.00 mL, 20.00 mL, 25.00 mL, and 30.00 mL. H₂SO3 + H₂O HSeO3 + H3O+ HSO3 + H₂O = SeO3²- + H3O+ Ka₁ = 2.40 x 10-3 Ka₂ = 4.80 x 10-⁹
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