) For below given points (composition and temperature values) on the binary phase diagram of NaClH2O: (1) 15% NaCl, 10 C (2) 15% NaCl, -10 C (3) 15% NaCl, -25 C a) (i) determine the stable phases present, (ii) provide the compositions of each phase, (iii) calculate the relative proportions of each phase. b) For a solution containing 23.3% NaCl in H2O at a temperature of -21C, (i) identify the stable phases present (ii) provide the composition of each phase.