Author Question: Based on the balanced chemical equation shown below, determine the molarity of a solution containing ... (Read 89 times)

jazziefee · **on:** Feb 15, 2020

Question 1

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, Na2S2O3(aq)? The chemical equation for the reaction is:

◦ 0.167 M
◦ 0.333 M
◦ 0.120 M
◦ 0.0833 M

Question 2

Based on the balanced chemical equation shown below, determine the molarity of a solution containing Fe2+(aq), if 40.00 mL of the Fe2+(aq) solution is required to completely react with 30.00 mL of a 0.125 M potassium bromate, KBrO3(aq), solution.The chemical equation for the reaction is:

6 Fe2+(aq) + BrO3-(aq) + 6 H+(aq) → 6 Fe3+(aq) + Br-(aq) + 3 H2O(l).

◦ 0.0938 M
◦ 0.562 M
◦ 1.00 M
◦ 0.0156 M

Hikerman221 · **Reply #1 on:** Feb 15, 2020

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