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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 262.3 mg...

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Chemistry

An aqueous ethylene glycol (HOCH2CH2OH, FW = 62.07 g/mol)solution with a mass of 262.3 mg is titrated with 62.7 mL of 0.0851M 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 12.39 mL of 0.0493 M Fe2to a ferroin end point. What is the mass percent of ethylene glycolin the unknown solution?

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