Yahoo Answers: Answers and Comments for What is the density of carbon tetrachloride vapor at STP? [Chemistry]
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From Anonymous
enUS
Sun, 08 Nov 2009 10:48:18 +0000
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Yahoo Answers: Answers and Comments for What is the density of carbon tetrachloride vapor at STP? [Chemistry]
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From Trevor H: Molar mass CCl4 = 153.8236 g/mol
this mass of...
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Sun, 08 Nov 2009 11:49:55 +0000
Molar mass CCl4 = 153.8236 g/mol
this mass of vapour has volume of 22.4 litres at STP
Mass of 1 litre at STP = 153.8236/22.4 = 6.86g/litre
Answer: Density of CCl4 gas at STP = 6.86g/litre.

From bearnard: Density Of Carbon Tetrachloride
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Tue, 04 Oct 2016 14:09:15 +0000
Density Of Carbon Tetrachloride

From Anonymous: STP means standard temperature and pressure
T...
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Sun, 08 Nov 2009 11:07:02 +0000
STP means standard temperature and pressure
T = 273 K
P = 1 atm
We need to find the density = (mass / volume)
We can find the volume of the gas if we use the ideal gas law
(pressure) x (volume) = (# of moles) x (temperature) x R
V = (n x T x R) / (P)
Because density is an intensive property (it does not change with the amount), we will assume one mole of CCl4
So now
P = 1 atm
T = 273 K
n = 1 mole
R = 0.0821 (L*atm) / (Mole *K)
V = (1 mole x 273 K x 0.0821((L*atm)/(mole*K))) / (1 atm) = 22.4 L
This volume is expected with STP of any ideal gas
Now we need mass. We assumed 1 mole of CCl4 to find the volume, so we find the mass of 1 mole of CCl4
1 mole CCl4 x (154 g/mol) = 154 g CCl4
Now we solve for density
D = m/V = 154 g/22.4 L = 6.875 g/L
0.006875 g/ mL
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From Afg89: PV = nRT and n= m / MM combine two eq. and t...
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Sun, 08 Nov 2009 10:57:53 +0000
PV = nRT and n= m / MM combine two eq. and the fact that density = mass/volume, you get. also at stp P=1atm and T= 273.15 K
PV = mRT/MM > PxMM= d RT > d= PxMM / RT
d = (1 atm) (molar mass of CCl4) / (0.08206) (273.15)