Question

Determine the molality of a solution made by dissolving 44.1 g of CH₃OH in 737 g of H₂O.

m CH₃OH

Answer 1

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Molality of the solutian Malality ts a waof indicating the Concentralfn af a solute dissolved in a solutin OF is calculated by cividing the moles o Solute by the mass af the Solvent in Ka Mola lity moles of solute ka solvent A Molar mass of CH30H 12+ +3xIt6 A moi = 32a mol Am&unt at cH3 CH dissolved = 44 18 44 32 8 mol :. moles af CH3 0H 1 378 mol 737K10 8 737 8 Amunt at salvent H20) Molality the souttan mol of solute af ka Solvent 378 mol 0 737 Kg 869 m m5 Molality ot the giren solutfon = 1-87 (m]