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20 solutions

Ideal Gas Law Molar Mass

Q. A 125 mL stoppered flask contains an air mixture with a combined pressure of 0.91 atm at 75.0 degree Celsius. You injected 0.100 grams of pure, unknown gas into the flask and found that the total pressure is now 1.15 atm. What is the molar mass of the unknown gas?

Solved • Nov 23, 2019

Ideal Gas Law Molar Mass

Q. 7. The volume of a sample of gas (2.49p) was 782 mL at 1.98 atm and 62 degrees Celsius The gas is… A. NO 2 B. SO 3 C.SO 2 D. Ne E. NH3

Solved • Nov 12, 2019

Ideal Gas Law Molar Mass

Q. The density of a gas is found to be 1.45 g/L at 27 degree Celsius and 0.900 atm. What is the molar mass of the gas?

Solved • Nov 11, 2019

Ideal Gas Law Molar Mass

Q. A sample of an unknown compound is vaporized at 130. degrees C. The gas produced has a volume of 1870. mL at a pressure of 1.00 atm, and it weighs 7.77 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.

Solved • Nov 11, 2019

Ideal Gas Law Molar Mass

Q. A sample of an unknown compound is vaporized at 190. degrees C. The gas produced has a volume of 2250. mL at a pressure of 1.00 atm, and it weighs 2.99 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.

Solved • Nov 11, 2019

Ideal Gas Law Molar Mass

Q. An organic compound had the following analysis: C = 55.8%, H = 7.03%, O = 37.2%. A 1.500 g sample was vaporized and was found to occupy 530 cm^3 at 100 °C and 740 torr. Which of these could be the molecular formula for the compound?

Solved • Nov 3, 2019

Ideal Gas Law Molar Mass

Q. A 2.85 g sample of an unknown gas at 51 ∘C and 1.10 atm is stored in a 2.05 L flask. What is the density of the gas? density: g/L What is the molar mass of the gas? molar mass:

Solved • Oct 22, 2019