The concentration of oxalate ion (C2042-) in a sample can be determined by titration with a solution of permanganate ion (Mn04-) of known concentration. The net ionic equation for this reaction is 2MNO4- + 5C20,2- + 16H* → 2MN2* + 8H2O + 10CO2 A 30.00 mL sample of an oxalate solution is found to react completely with 21.93 mL of a 0.1725 M solution of MnO4-. What is the oxalate ion concentration in the sample? A) 0.3152 M B) 0.1821 M C) 0.02914 M D) 0.4312 M E) 0.05044 M

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Chapter1: Chemical Foundations
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+ Question 8 Retaken
The concentration of oxalate ion (C2042-) in a sample can be determined by titration with a solution of permanganate ion (MnO4) of known concentration.
The net ionic equation for this reaction is
2MNO4- + 5C20,2- + 16H* → 2MN2* + 8H20 + 1OCO2
A 30.00 mL sample of an oxalate solution is found to react completely with 21.93 mL of a 0.1725 M solution of MnO4. What is the oxalate ion concentration in
the sample?
A) 0.3152 M
B) 0.1821 M
C) 0.02914 M
D) 0.4312 M
E) 0.05044 M
Transcribed Image Text:+ Question 8 Retaken The concentration of oxalate ion (C2042-) in a sample can be determined by titration with a solution of permanganate ion (MnO4) of known concentration. The net ionic equation for this reaction is 2MNO4- + 5C20,2- + 16H* → 2MN2* + 8H20 + 1OCO2 A 30.00 mL sample of an oxalate solution is found to react completely with 21.93 mL of a 0.1725 M solution of MnO4. What is the oxalate ion concentration in the sample? A) 0.3152 M B) 0.1821 M C) 0.02914 M D) 0.4312 M E) 0.05044 M
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