Answer:
The mass of 1.5 moles of
C
O
2
is 66 grams
Explanation:
Let:
n
be the number of moles
m
be the mass
M
be the molecular weight
n
=
1.5
m
o
l
By definition:
n
=
m
M
m
=
n
⋅
M
M
(
C
)
=
12
g
/
m
o
l
M
(
O
2
)
=
2
⋅
16
g
/
m
o
l
=
32
g
/
m
o
l
M
=
12
g
/
m
o
l
+
32
g
/
m
o
l
M
=
44
g
/
m
o
l
m
=
1.5
m
o
l
⋅
44
g
/
m
o
l
m
=
66
g