What is the molarity of a potassium triiodide solution, Kl3(aq), if 30.00 mL of the solution is required to completely react with 25.00 mL of a 0.400 M thiosulfate solution, K2S2O3(aq)? The net ionic equation for the reaction is 2 52032 (aq) + 13(aq) → S4062(aq) + 3 1(aq). 0.240 M 0.333 M 0 0.667 M 0.167 M

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Chapter1: Chemical Foundations
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**Question:**

What is the molarity of a potassium triiodide solution, KI₃(aq), if 30.00 mL of the solution is required to completely react with 25.00 mL of a 0.400 M thiosulfate solution, K₂S₂O₃(aq)? The net ionic equation for the reaction is:

\[ 2 \text{ S}_2\text{O}_3^{2-}(aq) + \text{I}_3^-(aq) \rightarrow \text{S}_4\text{O}_6^{2-}(aq) + 3 \text{ I}^-(aq) \]

**Options:**

- ○ 0.240 M
- ○ 0.333 M
- ○ 0.667 M
- ○ 0.167 M
Transcribed Image Text:**Question:** What is the molarity of a potassium triiodide solution, KI₃(aq), if 30.00 mL of the solution is required to completely react with 25.00 mL of a 0.400 M thiosulfate solution, K₂S₂O₃(aq)? The net ionic equation for the reaction is: \[ 2 \text{ S}_2\text{O}_3^{2-}(aq) + \text{I}_3^-(aq) \rightarrow \text{S}_4\text{O}_6^{2-}(aq) + 3 \text{ I}^-(aq) \] **Options:** - ○ 0.240 M - ○ 0.333 M - ○ 0.667 M - ○ 0.167 M
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