Iupac – Solved: (A) What Is The Ph Of 0

IUPAC-lize.vn Solubility Database lize.vn Standard Reference Database 106

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Solubility System: Carbon dioxide with Sodium phenoxide and Water Components: (1) Sodium phenoxide; C6H5ONa; <139-02-6>lize.vn Chemistry WebBook for detail(2) Carbon dioxide; CO2; <124-38-9>lize.vn Chemistry WebBook for detail(3) Water; H2O; <7732-18-5>lize.vn Chemistry WebBook for detail Original Measurements: Kimura, H.; Takeuchi, T., Kagaku Kogaku 1963, 27, 2-6. Variables: Temperature = 273.7 K to 353.2 KPressure = 273.7 K to 353.2 KConcentration = c2/mol dm-3 = 0.3138 – 3.04 Prepared By: T. Tominaga Experimental Data: (Subscripts 1,2,3, …, in column headings refer to components 1,2,3, …)

t/°CT/KTemp NotePressure Pressure (compiler) Concentration C1 Concentration NoteConcentration C2 Solubility <(c1/p1)>Solubility Note
0.5 273.7 a 0.98 99 1.221 b 0.805 1.295 c
0.5 273.7 a 0.54 55 1.081 b 0.805 2.01 c
0.5 273.7 a 0.448 45.4 1.011 b 0.805 2.26 c
0.5 273.7 a 0.262 26.5 0.797 b 0.805 3.04 c
0.5 273.7 a 0.128 13.0 0.797 b 0.805 6.22 c
20 293.2 a 0.98 99 1.186 b 0.805 1.210 c
20 293.2 a 0.534 54.1 1.081 b 0.805 2.024 c
20 293.2 a 0.25 25.3 1.00 b 0.805 4.00 c
20 293.2 a 0.213 21.6 0.7473 b 0.805 3.50 c
20 293.2 a 0.143 14.5 0.6319 b 0.805 5.581 c
20 293.2 a 0.99 100 1.857 b 1.3 1.876 c
20 293.2 a 0.616 62.4 1.770 b 1.3 2.833 c
20 293.2 a 0.267 27.1 1.694 b 1.3 6.345 c
20 293.2 a 0.151 15.3 1.650 b 1.3 10.96 c
20 293.2 a 0.99 100 3.073 b 2.0 3.104 c
20 293.2 a 0.477 48.3 3.069 b 2.0 6.434 c
20 293.2 a 0.229 23.2 3.107 b 2.0 13.17 c
20 293.2 a 0.122 12.4 2.877 b 2.0 23.58 c
20 293.2 a 0.99 100 4.09 b 3.04 4.14 c
50 323.2 a 0.98 99 1.029 b 0.805 1.05 c
50 323.2 a 0.443 44.9 0.8763 b 0.805 1.975 c
50 323.2 a 0.373 37.8 0.9792 b 0.805 2.60 c
50 323.2 a 0.215 21.8 0.8824 b 0.805 4.10 c
50 323.2 a 0.163 16.5 0.7175 b 0.805 4.40 c
50 323.2 a 0.99 100 3.08 b 2.0 3.104 c
50 323.2 a 0.604 61.2 2.737 b 2.0 4.53 c
50 323.2 a 0.216 21.9 2.525 b 2.0 11.62 c
50 323.2 a 0.126 12.8 2.29 b 2.0 18.20 c
80 353.2 a 0.98 99 0.2142 b 0.3138 0.2677 c
80 353.2 a 0.441 44.7 0.2502 b 0.3138 0.568 c
80 353.2 a 0.336 34.0 0.1951 b 0.3138 0.580 c
80 353.2 a 0.0926 9.38 0.107 b 0.3138 1.155 c

Notes: aCalculated by the compiler.bSolubility of CO2 (mol/dm3 sln).c(c1/p1)/mol dm-3 atm-1 = solubility of CO2 at its one atm partial pressure. Method/Apparatus/Procedure: The absorption vessel was 500 mL five-necked glass flask, to which a fixed amount (ca. 400 ml) of sodium phenoxide solution was placed. Carbon dioxide and air, both washed and dried, were mixed together and brought into contact with sodium phenoxide solution without stirring at atmospheric total pressure. Equilibrium was confirmed by the gas volume in the gas burette and chemical analysis of the solution.

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Source and Purity of Materials: (1) Carbon dioxide. From a cylinder, purity not specified.(2) Sodium phenoxide. Sodium hydroxide was dissolved in distilled water, impurities filtered out, diluted with distilled water, and equivalent amount of phenol was dissolved.(3) Water. Distilled. Estimated Errors: Temperature: Nothing specified.

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