128. Solving a chemistry problem
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Product description
Determine the molar mass of ethyl cellulose in toluene using the data of the viscosimetric method:
cm, kg/m3 2.0 4.0 6.0 8.0 10.0
ηsp/cm 0.163 0.192 0.210 0.240 0.263
Constants: K=11.8*10-5; α=0.666
Additional information
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.