96. Solving a chemistry problem
Seller: Derkach
Price: 1.17 USD
Available. The final price depends on the selected options and is checked before payment.
Product description
The amount of surfactant dye adsorption from solution can be used to estimate the specific surface area of powders. With the introduction of 1 g of activated carbon in 100 ml of an aqueous solution of methylene blue, the concentration of the dye changes from the initial 1 * 10-4 mol / l to the final, equal to 6 * 10-5 mol / l. When adding 2 g of coal to the same volume of the initial solution, the equilibrium concentration was 4*10-5 mol/L. Assume that adsorption is described by the Langmuir equation, calculate Ssp of coal. The area occupied by the dye molecule on the surface is taken equal to 0.65 nm2.
Answer: 4.69 m2/g
Additional information
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.