How do you find the molar mass of a volatile liquid?

How do you find the molar mass of a volatile liquid?

number of moles = n = pV/RT . But we go one step further, because we will also measure the mass of the evaporated liquid. Knowing the mass and the number of moles will allow us to compute the molar mass of the liquid: molar mass = (mass)/(number of moles).

What is the molar mass of CO2 STP?

44.0 g/mol
What mass of CO2 gas occupies a volume of 395 Liters at STP? [molar mass CO2 = 44.0 g/mol] F 4.

What is an example of a volatile liquid?

A volatile substance is one that evaporates or sublimates at room temperature or below. Volatile substances have higher vapor pressures versus non-volatile substances at the same temperature. Examples of volatile substances include alcohol, mercury, and gasoline.

What is the molar mass of CO2 with solution?

44.01 g/mol
The molar mass of CO2 is 44.01 g/mol and the molar mass of propane is 44.09 g/mol.

What is the molar mass of ethanol C2H5OH?

46.07 g/molEthanol / Molar mass
Ethanol, (Symbol C2H5OH) is an organic compound and is the chemical name for alcohol. It is made by fermentation and has a molar mass of 46.06844 g/mol. Ethanol (C2H5OH; drinking alcohol) is an organic compound which is a flammable, volatile liquid.

How many moles of CO2 are there in 132 g?

Hence the molecular mass of carbon dioxide gas is 12+16×2=44g. 44g of carbon dioxide gas has 1 mole. Thus 132g of carbon dioxide gas has 132/44=3 moles. 132g of carbon dioxide has 3 moles.

What are the most volatile liquids?

Liquid Helium is the most volatile liquid which is evident by the value of heat of evaporation: 0.083kJ/mol which is very less.

What is the mass of 4 moles of CO2?

What is the mass of 4 mole of CO2? Answer:- The Required Answer Is 17.6 Grams.

How to determine the molar mass of an unknown volatile liquid?

Introduction: The molar mass of an unknown volatile liquid can be determined by placing an excess amount of the liquid in a pre-weighed flask and heating it up in a water bath. As the liquid evaporates, its vapor replaces the air in the flask, expelling the air and excess vapor through a pinhole at the top.

What is the molar mass of our liquid?

By completing this lab, we can tell that the molar mass of our liquid is 717.84 g/mol.

Is the unknown volatile liquid flammable?

The unknown volatile liquid is an extremely flammable liquid and vapor. No open flames are allowed in the lab during the lab period! Vapors may cause flash fire, harmful if inhaled and fatal if the liquid is swallowed.