A solution is made by mixing 141. g of heptane (C,H16) and 106. g of benzene (C,H). Calculate the mole fraction of heptane in this solution. Be sure your answer has the correct number of significant digits.

Q: rite a definition of the term ‘molar volume’. Determine the molar volume of hydrogen gas at SLC?.

A: Mole is fundamental unit  used to measure  the amount of substance  and in latin  mole means massive…

Q: 1: Determine the volume of occupied by 2.34 grams of carbon dioxide gas at STP.

A: Given,  Mass of CO2 = 2.34 g  At STP,  Temperature = T = 273.15 K  Pressure = P = 1 atm  Value of…

Q: Run 1 2 Mass of Magnesium 0.0775 0.0784 0.0769 Strip (g) Room Pressure 751.2 751.2 751.2 (Torr) Room…

A:

Q: Determine the mole fractions and partial pressures ..

A: Number of moles  is equal to the ratio of mass to molar mass of the substance. Formula: Number of…

Q: a gaseous sample has a total pressure of 923mmHg. If the sample is compromised of 23.0% helium,…

A: The total pressure of the gaseous sample is .The percentage of helium is 23%.The percentage of argon…

Q: 2. Gases are capable of being greatly compressed.   Group of answer choices True False     3.All…

A: Collision theory is used to predict the rate of reaction for gases.  It is based on the assumption…

Q: In the modified Dumas Method the volume of the gas is measure based on the condensed liquid. Is this…

A: Given:

Q: At STP, 23.50 mol of gas occupies approximately what volume in liters?

A: At STP, volume of one mole of gas = 22.4 L

Q: Mole fraction

A: