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Solved: A 125-g sample contains only glucose (C6H12O6) and sucrose (C12H22O11). When the
Chapter 13, Problem 129P(choose chapter or problem)
A 125-g sample contains only glucose \(\mathrm{(C_6H_{12}O_6)}\) and sucrose \(\mathrm{(C_{12}H_{22}O_{11})}\). When the sample is added to 0.500 kg of pure water, the resulting solution has a freezing point of \(\mathrm{-1.75~^\circ C}\). What were the masses of glucose and sucrose in the original sample?
Equation Transcription:
Text Transcription:
(C_6H_{12}O_6)
(C_{12}H_{22}O_{11})
-1.75 ^oC
Questions & Answers
QUESTION:
A 125-g sample contains only glucose \(\mathrm{(C_6H_{12}O_6)}\) and sucrose \(\mathrm{(C_{12}H_{22}O_{11})}\). When the sample is added to 0.500 kg of pure water, the resulting solution has a freezing point of \(\mathrm{-1.75~^\circ C}\). What were the masses of glucose and sucrose in the original sample?
Equation Transcription:
Text Transcription:
(C_6H_{12}O_6)
(C_{12}H_{22}O_{11})
-1.75 ^oC
ANSWER:
Step 1 of 4
From the given,
Mass of sample = 125g
Let the mass of glucose = x
Molar mass of glucose = 180 g/mol
Molar mass of sucrose = 342.34 g/mol
