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A substance used to make detergents. A solution of 5.00 g of that substance in 100....

A substance used to make detergents. A solution of 5.00 g of that substance in 100. g of benzene freezes at 4.100°C. What is the molar mass of this substance? (freezing point of benzene is 5.444°C, molal freezing point depression constant of benzene is 5.12 oC/m) (Consider the # of significant figures.)

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