+ 'A sample of gas with a mass of 1.020 g occupies a volume of 762...
3.A sample of a pure gas at 20 °C and 670 mm Hg occupies a volume of 562 cm3. How many moles of gas are in this sample? 4.An unknown compound contains only carbon and hydrogen. What is the volume (in L) of 1 mol of this gas at 100 °C and 760 mm Hg? 5.The same 1 mol sample of gas from the previous problem has a vapor density of 2.550 g/L. If the empirical formula of the compound...
A sample of gas of mass 1.58 g occupies a volume of 472 mL at 55 °C and 0.92 atm pressure. What is the molar mass of the gas? VALD ? g/mol
A sample of gas of mass 2.14 g occupies a volume of 464 mL at 49 °C and 0.61 atm pressure. What is the molar mass of the gas? |ν ΑΣφ ? g/mol Submit Request Answer
Part A A sample of gas of mass 3.90 g occupies a volume of 728 mL at 37 °C and 1.97 atm pressure. What is the molar mass of the gas? IVO AEQ O 2 ? g/mol Submit Request Answer
A sample of gas has a mass of 0.545 g. Its volume is 125 mL at a temperature of 95 ∘ C and a pressure of 762 mmHg. Find the molar mass of the gas.
A 0.305-g sample of gas occupies a flask with a total volume of 125 mL at 750. mmHg and 25°C. What is the molar mass of the gas in g/mol?
A gaseous compound of carbon, hydrogen and chlorine had the following composition: C = 24.78%; H = 2.08 % and Cl = 73.14 %. A 1.26 g sample of this gas occupies a volume of 435 ml. at a pressure of 0.736 atm and temperature of 27°C. a) What is the empirical formula of the unknown gas (3 points) show all setup & work Answer: empirical formula = b) What is the molar mass of the unknow gas (3 points)...
molecul Sumber of d with excess A gaseous compound of carbon, hydrogen and chlorine had the following composition: C = 24.78% = 2.08 and Cl = 75.14%. A 1.26 g sample of this gas occupies a volume of 435 ml at a pressure of 0.736 atm and temperature of 270C. a) What is the empirical formula of the unknown gas (3 points) show. all setup & work Answer: empirical formula = b) What is the molar mass of the unknow...
9. A sample of a diatomic gas occupies a volume of 24.8 L at 25°C and 1 bar, and has a mass of 28.0 g. What is the molecular formula of the gas?
Slove both questions pls! QUESTION 1 A sample of carbon monoxide gas occupies a volume of 286 mL at a pressure of 517 torr and a temperature of 538 K. What would its temperature be if the volume were changed to 97 mL at a pressure of 528.7 torr? QUESTION 2 A sample of carbon dioxide gas occupies 13,665 mL at STP. What is the mass of the sample?