How many molecules of glucose are present in 5.33 grams of glucose?
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Answered by
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Explanation:
QUESTION ❓⤵
How many molecules of glucose are present in 5.33 grams of glucose?
ANSWER.⤵
chemical formula of glucose:
C
6
H
12
O
6
relative atomic mass
(
A
m
)
of:
C
:
12
H
:
1
O
:
16
C
6
:
72
H
12
:
12
O
6
:
96
relative formula mass
(
M
r
)
of
C
6
H
12
O
6
=
72
+
12
+
96
=
180
molar mass of glucose:
180
g
/
m
o
l
the molar mass is the mass of one mole of a substance.
in
1.53
g
of glucose, there are
1.53
180
moles present.
there are
0.0085
, or
8.5
⋅
10
−
3
, moles present.
one mole is
6.02
⋅
10
23
molecules.
8.5
⋅
10
−
3
moles is
8.5
⋅
10
−
3
⋅
6.02
⋅
10
23
which is
5.117
⋅
10
21
there are
5.117
⋅
10
21
molecules present in
1.53
g
of
C
6
H
12
O
6
, glucose.
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