143. Solving a chemistry problem
Seller: Derkach
Price: 1.19 USD
Available. The final price depends on the selected options and is checked before payment.
Product description
5.5. According to the measurement of the surface tension of aqueous solutions of sodium dodecyl sulfate at various temperatures, determine the CMC, the effect on the CMC of a temperature increase:
lgC -2.4 -2.18 -2.08 -2.03 -2.01 -1.99 -1.95 -1.90 -1.88 -1.82
20 ° C 58 50 - 44 44 44 41 44 - 44
60 ° C 54 47 43 42 41 41 41 41 41 41
90 ° C 49 40 38 - - 35 29 29 29 29
Surface tension b in Nm / m. Surfactant concentration is expressed in mol / L.
Additional information
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.