In the determination of the molar mass of a vapor, the data shown on the table was collected. Based on the data given, calculate:
R=0.0821 L-atm/mol-K
157.56 g
96°C
720 torr
158.21 g
Mass of flask, Al-foil and rubber
band
Temperature of boiling water
Atmospheric pressure
Mass of flask, Al-foil, rubber band
and vapor
Mass of vapor
Volume of flask
Mole of vapor
Molar mass of vapor
159.5 mL
The molar mass of the vapor is
g/mole.
130.3
24,56
491.7
20.22