A 7.65 -g sample of pure liquid is vaporized at 194 °C and 186 torr. At these conditions it occupies 3.62 L. What is the molar mass of the substance?
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A 7.65 -g sample of pure liquid is vaporized at 194 °C and 186 torr. At...
A 9.82 -g sample of pure liquid is vaporized at 193 °C and 172 torr. At these conditions it occupies 5.43 L. What is the molar mass of the substance? g/mol Calculate the density of nitrogen at 0.649 atm and 43°C. Density = g/L g/L at a pressure of 1.41 atin and a terapuratute A sample of krypton gas, Kr, has a density of 35°C.
Problems Section 1. A 0.678 gram sample of gas occupies 0.214 L at standard conditions, what is the molar mass of the gas? PronRT 1 (0,214) = NA 273.15 n = R-273.15 n=104,684 -:675 X=18 2. A sample of gas occupies 250 mL at 37°C and 730. torr, what volume would the gas occupy at standard conditions? ,250L 310k 730 + 20.5 10.0206-310 .216L n=0.0094396539 V nr. 273.15 = 2115 3. A 5.00 mL sample of an unknown liquid is...
a 548 mg sample of a liquid is vaporized at 100.0 Celsius and 755 mmHg and forms 237 mL of vapor. Calculate the molar mass of the substance
A 0.704-g sample of a colorless liquid was vaporized in an evacuated 250.-mL flask at 121°C to give a pressure of 786 mmHg. What is the molecular weight of this substance? Molecular weight = amu
At 99゚C and 748 Torres, a sample of a volitile liquid is vaporized completely in a 250 mL flask. The condensed vapor weighs 1.097 g calculate the molar mass of the gas
8 K. The mass of the 8. A liquid was vaporized in a 500 mL vessel at 1.0 atm and 338 K. The mas vapor was determined to be 0.649 g. Calculate the molar mass and use the calcul molar mass to determine the identity of the liquid. Circle the correct letter. Gas Constant = 0.08206 m Liquid Methanol Dimethyl Ether Tetrahydrofuran Diethyl Ether Molar Mass 32 g/mol 46 g/mol 72 g/mol 74 g/mol A. Dimethyl ether B. Methanol C....
Student Name Course/Section Date Instructor PRE-LAB ASSIGNMENT 1. A sample of an unknown liquid is vaporized in a 255-mL flask in a hot water bath at 100.0 C. The atmospheric pressure is 748 torr and the vapor is found to have a mass of 0.714 grams. What is the molecular mass of the vapor? 2 A gas is found to be 85.7 % carbon and 14.3 % hydrogen by mass. Its molecular mass was found to be 98.1 g/mol using...
Question 10 of 22 A 4.05 g sample of an unknown gas at 35 °C and 1.05 atm is stored in a 2.15 L flask. What is the density of the gas? density: 1.88372 g/L What is the molar mass of the gas? molar mass: g/mol Incorrect Question 14 of 22 A gas mixture is made by combining 6.7 g each of Ar, Ne, and an unknown diatomic gas. At STP, the mixture occupies a volume of 15.14 L. What...
A sample of an unknown compound is vaporized at 170. "C. The gas produced has a volume of 1750. mL. at a pressure of 1.00 atm, and it weighs 1.54 g Assuming the gas behaves as an ideal gas under these conditions, calculate the molar mass of the compound. Round your answer to 3 significant digits. mol
A sample of an unknown compound is vaporized at 200. °C. The gas produced has a volume of 2410. mL at a pressure of 1.00 atm, and it weighs 2·11 g. Assuming the gas behaves as an ideal gas under these conditions, calculate the molar mass of the compound. Round your answer to 3 significant digits mol