Calculate the molar mass of the compound?
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A solution containing 3.23 grams of an unknown compound dissolved in 100.0 grams of water freezes at -0.97°C. The solution does not conduct electricity. Calculate the molar mass of the compound. (The molal freezing point depression constant for water is 1.86°C kg/mol) Then determine the molecular formula for the compound if elemental analysis of this unknown compound yields the following percentages by weight H=9.74%; C=38.70%; O=51.56%.
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Answer:
1 mol = 6.022 E23
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