b) Number of CH4 molecules in 80 gram CH4
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Answer:
hey here is your answer
Answer:
5
⋅
m
o
l
of methane are present in this mass..........
Explanation:
To find the number of moles, all we have to do is use the following relationship:
Number of moles
=
Mass
Molar mass
And the molar mass of methane may be read straight off your Periodic Table:
Molar mass of methane,
C
H
4
=
(
12.011
+
4
×
1.00794
)
⋅
g
⋅
m
o
l
−
1
Mass
Molar mass
=
80
⋅
g
16.0
⋅
g
⋅
m
o
l
−
1
=
?
?
m
o
l
.
Note that this calculation is consistent dimensionally:
1
m
o
l
−
1
=
1
1
m
o
l
=
m
o
l
hope it help you ☺️
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