respectively, which shows that within the limits of the accuracy 

 of the experiment evaporation is proportional to the extent of 

 the surface. 



23. Ether and alcohol. 



Mean, A, 0.36. Mean, B, 0.033. B reduced to surface area of A =0.038. 

 Temperature, 23.0 C. Pressure, 758.9 mm. Relative humidity, 42 per cent. 



TABLE 24. Conclusions fram experiments with various liquids. 



41 



