Complete the reduction half reaction for 2/t 12(aq). +. (aq) Complete the oxidation half reaction for S2032-/ SO,2- S20 (aq). +. What is the stoichiometric mole ratio of the net redox reaction for the reaction between I2 and NazS203? mole l2 =. mole Na2S2O3

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Chapter1: Chemical Foundations
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Show the complete solution (include all units of measurement and the required conversion factors) to each of the following problems. Enclose the final numerical answer (round-off the final answer to the correct number of significant figures) in a box.

PROBLEM 1 A sample of primary standard grade K:CrO (M.M. 294.20) weighing 0.2153 g is dissolved, the solution acidified and excess Ki added. The liberated la requires 44.86 mL of the Na:S:Os for titration.

Complete the reduction half reaction for l2/t
I2(aq). +.
(aq)
Complete the oxidation half reaction for S2032-/ S4O62-
S2022 (aq). +.
S40g2-
What is the stoichiometric mole ratio of the net redox reaction for the reaction between l2 and
NazS203?
mole l2 =.
mole NazS203
Transcribed Image Text:Complete the reduction half reaction for l2/t I2(aq). +. (aq) Complete the oxidation half reaction for S2032-/ S4O62- S2022 (aq). +. S40g2- What is the stoichiometric mole ratio of the net redox reaction for the reaction between l2 and NazS203? mole l2 =. mole NazS203
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