8. 4 g of activated carbon was placed into a 250 ml solution of acetic acid with a concentration of 0.5 mol/l. After reaching adsorption equilibrium, the acid concentration decreased to 0.15 mol/l. Calculate the adsorption value.

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 :)