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  3. an aqueous ethylene glycol (hoch2ch2oh, fw = 62.07

An aqueous ethylene glycol (HOCH2CH2OH, FW = 62.07 g/mol) solution with a mass of 207.9 mg...

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Chemistry

An aqueous ethylene glycol (HOCH2CH2OH, FW = 62.07 g/mol)solution with a mass of 207.9 mg is titrated with 48.9 mL of 0.0829M 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 11.07 mL of 0.0409 M Fe2to a ferroin end point. What is the mass percent of ethylene glycolin the unknown solution?

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4.1 Ratings (726 Votes)
Welcome to Aula Ya QAAlcohols oxidize in the presence of an acid solution of CeIVfollowing the reactionThis reaction can be used as an analytical method to determinethe quantity of ethylene glycol in the aqueous ethylene glycolsolution Adding an excess of CeIV ensures that the reaction iscomplete and that all of the ethylene glycol has    See Answer
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