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1. ### Compute the mass of one litre of ammonia gas, NH3, at STP?

from here.. PV = nRT V/n = RT/P at STP... the molar volume of an ideal gas is.. V/n = (0.08206 Latm...

1 Answers · Science & Mathematics · 16/01/2013

2. ### How do i calculate the number of atoms or molecules in 125 L of oxygen gas? at stp.?

we know that molar volume of any gas is = 22.4 litre t stp and molar volume contains atoms equal to twice the AVOGADRO...

1 Answers · Science & Mathematics · 02/12/2013

3. ### a gas has a volume of 4.5 at STP.?

...you get to plug and chug...here's a listing of possible values for STP and SATP... http://en.wikipedia.org/wiki/Standard_temperature_and_pressure...

1 Answers · Science & Mathematics · 27/01/2010

4. ### What volume of HCl(g) measured at STP?

...mol HCl One mole of an ideal gas occupies 22.4 L at STP. 4.00 mol HCl x (22.4 L / 1 mol ) = 89.6 L

1 Answers · Science & Mathematics · 02/06/2009

5. ### A gas has been analyzed and is shown to be composed of 85.7% carbon and 14.3% hydrogen by mass at STP, 0.100..?

... the ideal gas law, PV = nRT,... or the molar volume osf a gas @ STP: 0.100 Litres @ 1 mole of gas / 22.4 Litres @ STP = 0.00446...

2 Answers · Science & Mathematics · 03/12/2008

6. ### What is the volume, at STP, of 3.40 x 1023 atoms of argon?

Using the PV=nRT formula. At STP, P=1 V= unknown n = (3.4x10^23)/(6.022x10^23) = roughly 1/2 R= 0.082 T= 273 So, 1V = (.5)(.082)(273) === 12.56 or roughly 12.6 liters.

1 Answers · Science & Mathematics · 15/05/2011

7. ### If a butane lighter contains 2.00 g of butane, what is its volume at STP?

...22.4 L/1 mol) = answer The trick is to remember that any gas at STP has a volume of 22.4 L per mole. (The butane is only...

3 Answers · Science & Mathematics · 12/10/2013

8. ### When 35.4 L NH3 and 40.5 L O2 gas at STP burn, NO and H2O produced. Now ? g NO?

use the these to help u aswell: STP: 22.4 L 273k 1 atm (if ur doing something to do with pressure later this will help) number of moles = mass/molecular mass

2 Answers · Science & Mathematics · 05/03/2007

9. ### How many ATOMS are present in 2L of oxygen gas (O2) at STP?

... = temperature sub in the values (P and T come from the STP) to get approx mol of O2, then multiply by two to get the total number...

2 Answers · Science & Mathematics · 09/11/2010

10. ### What volume is occupied by 0.26 mol of hydrogen at STP?

Well, 1 mol of Hydrogen at STP (1 amu, 0 Celcius) occupies 22.4 Liters Take 22.4 Liters and multiply by .26 mol and you should get 5.8 L The answer is D.

1 Answers · Science & Mathematics · 15/05/2011