H 2 S(aq) can be analyzed by titration with coulometrically generated I 2 . H 2 S

Question:

H₂S(aq) can be analyzed by titration with coulometrically generated I₂.

H₂S + I₂ → + S(s) + 2H⁺ + 2I^-

To 50.00 mL of sample were added 4 g of KI. Electrolysis required 812 s at 52.6 mA. Calculate the concentration of H2S (μg/mL) in the sample.

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Quantitative Chemical Analysis

ISBN: 978-1429218153

8th edition

Authors: Daniel C. Harris

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Question Posted: Apr 19, 2016 10:01 AM

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H 2 S(aq) can be analyzed by titration with coulometrically generated I 2 . H 2 S

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2F I 2 2e one mole of I2 is created when two moles of ...View the full answer

Quantitative Chemical Analysis

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