June 2018 NY Regents Chemistry Exam
13 What is the vapor pressure of propanone at 50.°C?
(1) 37 kPa
(2) 50. kPa
(3) 83 kPa
(4) 101 kPa
Solution: We need to look at Table H and find 50°C on the x-axis and then go up until we touch the line for propanone. Then we go to the left to find the vapor pressure of the y axis.
Answer: 3
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