Suppose the concentration of a solute varies along the length of a container according to c(x) = c0 - βc0x2, where c0 is the concentration at x = 0. Calculate the thermodynamic force on the solute at 25 °C and x = 8 cm and 16 cm given that the concentration falls to 1/2c0 when x = 15 cm. Hint: Start by finding the value of β.

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