dariusardelean2029 dariusardelean2029

02-12-2017
Chemistry

contestada

Calculate the molar mass of an unknown if a solution containing 3.56 g of unknown in 56.2 g of water froze at –1.60c

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Kalahira Kalahira

14-12-2017

Answer: (0 - (-1.60)) Â°C / (1.86 Â°C/m) = 0.860215 m (0.860215 mol/kg) x (0.0562 kg) = 0.048344 mol (3.56 g) / (0.048344 mol) = 73.6 g/mol

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