Answer:6.66 kPa
Explanation:
Given
Absolute pressure is 50 mm of Hg
atmospheric pressure=80 kPa
we know that
Absolute Pressure=Gauge pressure+vacuum Pressure
50 mm of Hg is equivalent to 6.66 kPa
Thus
Absolute Pressure is 6.66 kPa
or it can be said that it is 73.34 kPa vacuum pressure
