See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

at 25 C    = 756.2 torr Mix at o 35 C 1 1 2 2 1 2 p V p V pV T T T   708.2 250 756.2 300 p 500 303 298 308      p = 828.9 torr Final pressure = p + aqueous tension = 828.9 + 42.2 = 871.1