Calculate the molality of a solution containing 0.575 mol of ethanol (CH₃CH₂OH) and 395 g of water.

Name: Calculate the molality of a solution containing 0.575 mol of ethanol (CH 3 CH 2 OH) and 395 g of water.
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Quizplus · Accepted Answer

Molality (m) is calculated using the formula: molality = moles of solute / kilograms of solvent. Here, the moles of ethanol (solute) = 0.575 mol, and the mass of water (solvent) = 395 g = 0.395 kg. Thus, molality = 0.575 mol / 0.395 kg = 1.456, which rounds to 1.46 m.

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