A 1.00-mole sample of neon gas occupies volume of 24.4 liters at 298 K and 101.3 kilopascals in the space below. How do you calculate the density of this sample?
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Answered by
6
The density of Ne is
0.901 g/L
at
25
∘
C
.
Explanation:
density
=
mass
volume
The density of a substance will vary with temperature because temperature affects volume. In this case, the density of neon is calculated at ambient temperature of
25
∘
C
.
(
298
−
273
=
25
)
1.00 mole of neon has a mass of 20.1797 g
. This is its atomic weight on the periodic table, but in grams.
The volume is given as
22.4 L
.
To calculate its density, divide its mass by its volume.
density
Ne
=
20.1797
g
22.4
L
=
0.0901 g/L
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