For problems #4 and #5, use the following expression for the water potential in a dilute solution (Earn the

previous homework):

“H10 =ﬂhzo —RTx.ubﬂ + (Ia—E: ”In

Here, the concentration of solute in an aqueous solution is deﬁned as:

thne x 5

”ma + Mm This type of concentration is called the “mole fraction” of the solute. and for dilute solutions. arm is

much smaller than one. 5. A) Find a Maxwell's relation for(aymﬂfaﬂm )mwm 7 B) Using your answer in (A), show that the chemical potential of the solute M in dilute

aqueous solution can be written as: #:due =FLa-u + Rﬂmxm _xmﬂe)

a: p11.” + RT In 3m

where “.1945!!! is a reference chemical potential that is independent of solute concentration.