The molar mass of a volatile substance was determined by the Dumas-bulb method. The unknown vapor had a mass o
The molar mass of a volatile substance was determined by the Dumas-bulb method. The unknown vapor had a mass of 0.852 g, the volume of the bulb was 356 cm3, pressure 755 torr, and the temperature 88°C. Calculate the molar mass of the unknown vapor.