When mixed, cyclohexane (C_(6)H_(12)) and acetone (C_(3)H_(6)O) form an ideal solution. At 25\deg C , the density of cyclohexane is 0.779(g)/(m)L and that of acetone is 0.784(g)/(m)L . What is the ent

A. 0.25 kJ
B. 0.33 kJ
C. 0.42 kJ
D. 0.58 kJ