What Is the Molarity of a Potassium Triiodide Solution,KI₃(aq),if 30

question 160

Multiple Choice

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 0.200 M thiosulfate solution,K₂S₂O₃(aq) ? The chemical equation for the reaction is:
2 S₂O₃^2-(aq) + I₃^-(aq) → S₄O₆^2-(aq) + 3 I^-(aq) .

• A)0)0833 M
• B)0)120 M
• C)0)167 M
• D)0)333 M

---

Definitions:

Producer Surplus

The difference between what producers are willing to accept for a good or service versus what they actually receive, often visualized as the area above the supply curve and below the market price.

International Trade

The exchange of goods and services between countries, driven by comparative advantages and resulting in increased global economic interaction.

Autarky Price

The price of a good within a closed economy that does not engage in trade with external entities.

Consumer Surplus

The difference between the total amount that consumers are willing and able to pay for a good or service and the total amount that they actually do pay.