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What is the molar mass of the unknown gas

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A sample of unknown gas weighs 2.85g and occupies 750 mL at 740 mmHg and 100 °C. What is the molar mass of the unknown gas?

A sample of fluorine gas occupies 885mL at 690 mmHg and 170 °C What is the mass of the sample?

What volume (in liters) is occupied by 3.84×1022nitrogen molecules at 95°C and 315 mmHg?

If the volume of wet gas collected over water is 75.0mL at 20 °C and 756 mmH , what is the volume of dry gas at STP conditions? (The vapor pressure of water at 20 °C is 17.5 mmHg.)

If the partial pressures are 51.0psi , 15.0 psi , and 0.5 psi , what is the total pressure (in atm)?

If 2.00mol of helium gas occupies 5.10 L at 2.05 atm, what is the temperature in degrees Celsius?

How many moles of helium gas occupy 14.2L at 191 K and 2.90 atm?

A steel cylinder with nitrogen, hydrogen, and ammonia gases is at 500°C and 5.00 atm. If the partial pressure of nitrogen is2150mmHg and hydrogen is 1400 mmHg , what is the partial pressure of ammonia in mmHg?

A sample of ammonia gas has a volume of 50.0mL at STP. What is the Celsius temperature if the volume is 600.0mL  at 500 mmHg?

Reference no: EM132409867

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