Brook T.

asked • 03/09/17

Chemistry Titration

What is the molarity of NaOCl in a solution of bleach if 10.00mL requires 22.35mL of 0.02191M Na2S2O3 to reach the endpoint? Show work. Hint: Work through the I2 first.
Reaction Equations that take place:

1.) 2HCl (aq) + 2KI (aq) + NaOCl (aq) ----> I2 (aq) + NaCl (aq) +H2O + 2KCl (aq)

2.) I2 (aq) + 2Na2S2O3 (aq) ----> 2NaI (aq) + Na2S4O6 (aq)

1 Expert Answer


Klaas K. answered • 03/10/17

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