For a copper silver alloy of composition 51 wt% Ag-49 wt% Cu and at 775C (1425F) (see Animated Figure 9.7) do the following: (a) Determine the mass fractions of a and phases. Mass fraction a- Mass fraction 8 = 1 (b) Determine the mass fractions of primary a and eutectic microconstituents. Mass fraction a primary - Mass fraction eutectic i (c) Determine the mass fraction of eutectica Mass fraction a eutectic - i Composition = 0 at% Ag Composition = 0 wt% Ag Temperature = 200 C Composition (at% Ag) Temperature = 392 F 40 60 100 2200 20 80 12001 2000 -Liquidus 1000 Liquid -Solidus 1800 F 1600 232 al 800 779 (TE) B 8.0 (CE) Temperature (C) 1400 +L G 91.2 (CE) 71.9 (Ce) Temperature (F) 1200 600 1000 Solvus a+B 800 400 600 H 200! 20 40 60 80 400 100 (Ag) Composition (wt% Ag) (Cu) Please show work