H₂S to 25.00 mL of acidified standard 0.010 44 M 15 to precip tate elemental sulfur. (If [H₂S]> 0.01 M. then precipitated sulf traps some I solution, which is not subsequently titrated.) T remaining I was titrated with 14.44 mL of 0.009 336 M Na₂S₂C Find the molarity of the H₂S solution. Should starch indicator added to this titration at the beginning or just before the en point?
H₂S to 25.00 mL of acidified standard 0.010 44 M 15 to precip tate elemental sulfur. (If [H₂S]> 0.01 M. then precipitated sulf traps some I solution, which is not subsequently titrated.) T remaining I was titrated with 14.44 mL of 0.009 336 M Na₂S₂C Find the molarity of the H₂S solution. Should starch indicator added to this titration at the beginning or just before the en point?
Chapter16: Applications Of Neutralization Titrations
Section: Chapter Questions
Problem 16.40QAP
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