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A gas mixture is made by combining 5.3 g each of Ar, Ne, and an unknown diatomic gas. At STP, the mixture occupies a volume of 13.09 L.What is the molar mass of the unknown gas?molar mass: _________________ g/molIdentify the unknown gas.a. O2O2b. Cl2Cl2c. F2F2d. N2N2e. H2

Question

A gas mixture is made by combining 5.3 g each of Ar, Ne, and an unknown diatomic gas. At STP, the mixture occupies a volume of 13.09 L.

What is the molar mass of the unknown gas?

molar mass: _________________ g/mol

Identify the unknown gas.

a. O2O2

b. Cl2Cl2

c. F2F2

d. N2N2

e. H2

check_circleAnswer
Step 1
ixture contrins 51
Tt is en that a
Ax, Ne and an unkronm
the volume
At
1as
nirxture is l2 09L:
diatomic
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Image Transcriptionclose

ixture contrins 51 Tt is en that a Ax, Ne and an unkronm the volume At 1as nirxture is l2 09L: diatomic

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Step 2
The molar mase
1
The molar
20
NE
mase
be
let the moar
unkuonm
mass
help_outline

Image Transcriptionclose

The molar mase 1 The molar 20 NE mase be let the moar unkuonm mass

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Step 3
The total volume
at STP is
turee
presevtd
as
5.3 + 5.3 + 53mol x 22. 4 L - 13. 09 L
20
40
Mol
6.3mol x22.4 L
MOl
15.9
40
13.09 L
1
224- + (2 x2০
12.09 L
L+S3
=
X
40
= 13.09L
+(53
8.9oL
help_outline

Image Transcriptionclose

The total volume at STP is turee presevtd as 5.3 + 5.3 + 53mol x 22. 4 L - 13. 09 L 20 40 Mol 6.3mol x22.4 L MOl 15.9 40 13.09 L 1 224- + (2 x2০ 12.09 L L+S3 = X 40 = 13.09L +(53 8.9oL

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