using the above phase diagram of Ge-Si calculate the alloy composition at temperature of 1300 ,1230, 1200, 1150, 1100, 1070, 950 what phases are present? what is the chemical composition and how much phase is present (physically)

Weight percentage of silicon 15 20 25 30 40 5 10 50 60 70 80 90 1500 1412 1400 (a) 0 1300 (6) L+S Liquid (L) Temperature (C) 1200 (c) (d) (e) Solid (S) 1100 (1) 1000 940 (9) 9001 Cui Co CS 0 10 20 30 40 50 60 70 Ge Atomic percentage of silicon Equilibrium phase diagram of the Ge-Si system. 80 90 100 SI