Answer to Question #171873 in General Chemistry for Andrei

Question #171873

Calculate the molality of a 100g table sugar (C12H22O11) with a molar mass of 

342.3g/mol placed in 350g of H2O.


1
Expert's answer
2021-03-17T06:45:29-0400

"n(sugar) = \\frac{m}{M}= \\frac{350}{342.3} = 1.022 \\;mol \\\\\n\nMolality = \\frac{moles \\;of \\;solute}{kg \\;of \\;solvent} = \\frac{1.022 }{0.1}= 10.22 \\;mol\/kg"


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