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An aqueous ethylene glycol (HOCH2CH2OH, FW = 62.07 g/mol) solution with a mass of 296.7 mg...

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Chemistry

An aqueous ethylene glycol (HOCH2CH2OH, FW = 62.07 g/mol)solution with a mass of 296.7 mg is titrated with 65.9 mL of 0.0705M Ce4 in 4 M HClO4. The solution is held at 60°C for 15 minutes tooxidize the ethylene glycol to formic acid (HCO2H) and carbondioxide. The excess Ce4 is titrated with 12.07 mL of 0.0375 M Fe2to a ferroin end point. What is the mass percent of ethylene glycolin the unknown solution?

Answer & Explanation Solved by verified expert
3.7 Ratings (471 Votes)
First we need to write the reaction between Ethylene glycol EGand Ce4 which is a redox reaction where EG is oxidizedto formic acid HCOOH and Ce4 is reduced toCe3 Next we will need to balance the equation usingthe    See Answer
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