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Author Question: Based on the balanced chemical equation shown below, determine the molarity of a solution containing ... (Read 125 times)

lindiwe

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on: Nov 18, 2019

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 mol L-1 thiosulfate solution, K2S2O3(aq)? The chemical equation for the reaction is

2S2O32-(aq) + I3-(aq) → S4O62-(aq) + 3I-(aq)

◦ 0.120 mol L-1
◦ 0.333 mol L-1
◦ 0.0833 mol L-1
◦ 0.167 mol L-1

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 0.250 mol L-1 potassium bromate, KBrO3(aq), solution. The chemical equation for the reaction is
 
6Fe2+(aq) + BrO3-(aq) + 6H+(aq) → 6Fe3+(aq) + Br-(aq) + 3H2O(l)

◦ 1.12 mol L-1
◦ 0.0312 mol L-1
◦ 0.188 mol L-1
◦ 2.00 mol L-1
Chemistry: A Molecular Approach (Canadian) ¦ Tro, Fridgen, Shaw ¦ 2nd Edition
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Marked as best answer by lindiwe on Nov 18, 2019

Ksanderson1296

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Reply #1 on: Nov 18, 2019
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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lindiwe

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Reply 2 on: Nov 18, 2019
YES! Correct, THANKS for helping me on my review

anyusername12131

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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