NY Chemistry Regents Exam Jan 2023
41 What is the vapor pressure of propanone at 45°C?
(1) 21 kPa
(2) 60. kPa
(3) 70. kPa
(4) 79 kPa
Solution: Table H on the Reference Table gives vapor pressure of different substances.
We need to find 45°C at the bottom and scroll up to propanone line. (3) 70. kPa is correct