Table:
text: Azeotrope (data)
Ternary azeotropes
Ternary azeotropes of water, b.p.=100 °C
_2nd_component b_p_2nd_comp_C _3rd_component b_p_3rd_comp_C b_p_azeo_C _wt_1st _wt_2nd _wt_3rd
ethanol 78.4 acetonitrile 82.0 72.9 1.0 55.0 44.0
ethanol 78.4 toluene 110.6 74.4 12.0 U 3.1 L 20.7 37.0 U 15.6 L 54.8 51.0 U 81.3 L 24.5
ethanol 78.4 methyl ethyl ketone 79.6 73.2 11.0 14.0 75.0
ethanol 78.4 n-hexane 69.0 56.0 3.0 U 0.5 L 19.0 12.0 U 3.0 L 75.0 85.0 U 96.5 L 6.0
ethanol 78.4 n-heptane 98.4 68.8 6.1 U 0.2 L 15.0 33.0 U 5.0 L 75.9 60.9 U 94.8 L 9.1
ethanol 78.4 carbon disulfide 46.2 41.3 1.6 5.0 93.4
n-propanol 97.2 cyclohexane 80.8 66.6 8.5 10.0 81.5
n-propanol 97.2 benzene 80.2 68.5 8.6 9.0 82.4

Question: Tell me the wt% 2nd for bp 3rd comp of 98.4 under the ternary azeotrope (data) of water, bp = 100°C. ?