7. Gases
The Ideal Gas Law: Molar Mass
5:03 minutes
Problem 54
Textbook Question
Textbook QuestionThe molar mass of a volatile substance was determined by the Dumas-bulb method described in Exercise 10.53. The unknown vapor had a mass of 2.55 g; the volume of the bulb was 500 mL, pressure 101.33 kPa, and temperature 37 °C.Calculate the molar mass of the unknown vapor.
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