表面张力法测定分子横截面积

大气压： 101.325kPa

平均△PH2O：635635633638

0.000113386 毛细管常数K：1.13386×10^-4N/(Pa*m)

σ

H2O：0.072N/m

l）记录数据表格：容量瓶 编号正丁醇用量V(ml)溶液浓度c(mol/L)10.090.021597595592594.70.06743-0.14780.0000011920.230.0534.30.06172-0.1353530.460.144874887.30.05526-0.1140.690.144445.70.05053-0.0938550.920.2411411410410.70.04656-0.073161.140.25391391391391.00.04433-0.0523571.370.3372370371371.00.04207-0.031681.60.35349349348348.70.03953-0.01085压差读数h(Pa)23平均压差△h（Pa)正丁醇水溶液的σ(N/m)正丁醇水溶液的(dσ/dc)T正丁醇水溶液的Г ×10-6(mol/m2)正丁醇水溶液的c/Г (m/L)20.000002730.000004620.000005680.000005900.000005280.000003820.0000015347350.0278443.24228462.5916771.4418118314.141921630.1841212.563733909.9742495.4471溶液浓度c(mol/L正丁醇水溶液的σ(N/m)溶液浓度c(mol/L)2正丁醇水溶液的c/Г (m/L))0.020.067430.020.050.061720.050.10.055260.10.150.050530.150.20.046560.20.250.044330.250.30.042070.30.350.039530.3516771.4418118314.141921630.1841212.563733909.97447350.0278443.24228462.590.415

正丁醇水溶液的σ--c曲线0.08000 0.07000 0.06000 0.05000 0.04000 0.03000 0.02000 0.01000 0.00000 00.050.10.150.2y = 0.2075x2-0.1561x + 0.0696σ(N/m)R² = 0.990.250.30.350.4C(mol/L)250000200000150000y = 46604x -23812R² = 0.5971000005000000-500000.050.10.150.20.250.30.350.4