2. A sample of technical phenol weighing 4.205 g after treatment with NaOH solution was transferred to a 50 ml flask and brought to the mark with water. With high-frequency titration of a 1.00 ml sample, the following results were obtained. Calculate the mass fraction (%) of phenol in the sample, if V1 is the volume of 0.02 N HCl solution used to neutralize free alkali.

If you cannot open the file or have any problems, do not rush to leave a negative review! Contact me and I will quickly help you solve the problem. After purchasing, please leave a positive review of the product :)