Respuesta :
Answer:
C
Explanation:
The gas equation can be written as PV = nRT, where
T is in kelvin, so 65 + 273 = 338K
P = 2.36 atm
Mass of Iodine gas = 254 g
R = 0.0821 (gas constant)
So,
P = (2.36*254)/(0.0821*338) = 21.63 g/L
"The density of iodine gas at 2.36 atm and 65.0 °C is 21.63 g/L."
What is density?
A substance's density will be its mass per unit volume. The most common symbol for density is D.
The formula of density can be written as:
D= P×MW/RT
where, P is pressure, MW is molecular weight( MW of iodine is 254) and R is gas constant( 0.082).
Now, put the value of given data in above equation.
D= 2.36×254/0.082×338= 21.63 g/L.
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