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At what temperature will freeze rastor 48.8 g of ethanol C2H5OH (Mr = 46) in dm3 of water (p = 1.86)
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I don't get it. rastor? I assume molar mass is 46. You don't list grams water. Is that density of 1.86? 1.86 WHAT units? That isn't the density of ethanol. What about just reposting the question.
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