Question 18 For Determining the Molar Mass of a Volatile Liquid (n-mass/MM, PV=nRT) Answer 2 out of following 4 questions 1) Explain why you should not allow water to contact the foil cap. 2) Explain why you did not have to determine the mass of unknown liquid before heating. 3) If you did not vaporize the liquid completely when heated, explain how that would affect the molar mass of the volatile liquid

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Question 18
For Determining the Molar Mass of a Volatile Liquid (n= mass/MM, PV=nRT)
Answer 2 out of following 4 questions
1) Explain why you should not allow water to contact the foil cap.
2) Explain why you did not have to determine the mass of unknown liquid before heating.
3) If you did not vaporize the liquid completely when heated, explain how that would affect the molar mass of the
volatile liquid
4) If the unknown liquid had a boiling point'of 105.9 °C, explain how that would affect the molar mass of the
volatile liquid.
Transcribed Image Text:Question 18 For Determining the Molar Mass of a Volatile Liquid (n= mass/MM, PV=nRT) Answer 2 out of following 4 questions 1) Explain why you should not allow water to contact the foil cap. 2) Explain why you did not have to determine the mass of unknown liquid before heating. 3) If you did not vaporize the liquid completely when heated, explain how that would affect the molar mass of the volatile liquid 4) If the unknown liquid had a boiling point'of 105.9 °C, explain how that would affect the molar mass of the volatile liquid.
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