9.14 The density of a methanol-water solution that is 12.000 weight percent methanol is 0.97942 g/cm³ at 15°C and 1 atm. For a solution that is 13.000 weight percent methanol, the den- sity is 0.97799 g/cm³ at this T and P. Since the change in solu- tion composition is small, we can estimate VA by VA = (av/əna)r.p.n. = (AV/Ana)r.p.n. Calculate V(CH;OH) for a methanol-water solution at 15°C and 1 atm that is 12,% CH,OH by weight. Then calculate V(H,O) for this solution.

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9.14 The density of a methanol-water solution that is 12.000
weight percent methanol is 0.97942 g/cm³ at 15°C and 1 atm.
For a solution that is 13.000 weight percent methanol, the den-
sity is 0.97799 g/cm³ at this T and P. Since the change in solu-
tion composition is small, we can estimate VA by
3
VA = (aV/ana)r.P.ng - (AV/Ana)r.P.na
(av/anA)T.P.na
II
Calculate V(CH,OH) for a methanol–water solution at 15°C
and 1 atm that is 12,% CH,OH by weight. Then calculate
V(H,O) for this solution.
Transcribed Image Text:9.14 The density of a methanol-water solution that is 12.000 weight percent methanol is 0.97942 g/cm³ at 15°C and 1 atm. For a solution that is 13.000 weight percent methanol, the den- sity is 0.97799 g/cm³ at this T and P. Since the change in solu- tion composition is small, we can estimate VA by 3 VA = (aV/ana)r.P.ng - (AV/Ana)r.P.na (av/anA)T.P.na II Calculate V(CH,OH) for a methanol–water solution at 15°C and 1 atm that is 12,% CH,OH by weight. Then calculate V(H,O) for this solution.
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