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Author Question: Based on the balanced chemical equation shown below, what volume of 0.250 mol L-1 K2S2O3(aq) is ... (Read 152 times)

haleyc112

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Question 1

According to the balanced equation shown below, 4.00 moles of oxalic acid, H2C2O4, reacts with ________ moles of permanganate, MnO4-.

5H2C2O4(aq) + 2MnO4-(aq) + 6H+(aq) → 10CO2(g) + Mn2+(aq) + 8H2O(l)

◦ 4.00
◦ 1.60
◦ 8.00
◦ 9.00

Question 2

Based on the balanced chemical equation shown below, what volume of 0.250 mol L-1 K2S2O3(aq) is needed to completely react with 24.88 mL of 0.125 mol L-1 KI3(aq), according to the following chemical equation:

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

◦ 6.22 mL
◦ 99.5 mL
◦ 12.4 mL
◦ 24.9 mL


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Marked as best answer by haleyc112 on Nov 18, 2019

jessofishing

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haleyc112

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Reply 2 on: Nov 18, 2019
Excellent


Hdosisshsbshs

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Reply 3 on: Yesterday
:D TYSM

 

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