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 0.305-g sample of gas occupies a flask with a total volume of 125 mL at...
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
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.
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 0.338 g sample of gas occupies 125 mL at 600 mm of Hg and 25.0°C. What is the molar mass of the gas?
Classwork: Ch. Gases Name 1. A sample of chlorine gas occupies a volume of 946 mL at a pressure of 726 mmg What is the pressure of the gas (in mmHg) if the volume is reduced at constant temperature to 154 ml? 2. A sample of carbon monoxide gas occupies 3.20 L at 125°C. At what temperature will the gas occupy a volume of 154 Lif the pressure remains constant? 3. What is the volume (in liters) occupied by 49.8...
1. A 125mL Erlenmeyer flask has a measure volume of 152 mL. A 0.177 g sample of an unknown vapor occupies the flask at 97.8°C a pressure of 748 torr. Assume ideal gas behavior. a. How many moles of vapor are present? b. What is the molar mass of the vapor? 2. a) If the volume of the flask is mistakenly recorded as 125mL in Question 1, what is the reported molar mass of the vapor? b) What is the...
+ 'A sample of gas with a mass of 1.020 g occupies a volume of 762 ml atu C and 1. aun (air). What is the molar mass of the gas? (20 pts) If the unknown gas is composed of 0.815 g of carbon and the rest is hydrogen, what is its molecular formula?
Review Constant A sample of unknown gas weighs 2.45 g and occupies 930 mL at 740 mmHg and 70 °C Part A What is the molar mass of the unknown gas? Express your answer to two significant figures and include the appropriate units.
08. A sample of a gas occupies 1.4x10 mL at 25°C and 760 mmHg. What volume will it occupy at the same temperature and 380 mmHg? A) 2,8 ml B) 2,1 mL C ) 1,4 ml. D) 1,05 ml