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Byju's Answer
Standard X
Chemistry
Industrial Preparation of Ammonia
calculate the...
Question
calculate the mass of iron in 10 kg of iron ore which contains 80% of pure ferric oxide?
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Solution
T
h
e
a
m
o
u
n
t
o
f
i
r
o
n
p
r
e
s
e
n
t
i
n
F
e
2
O
3
w
h
o
s
e
m
a
s
s
i
s
160
g
=
2
×
56
=
112
g
S
o
i
n
10
K
g
(
10
×
10
3
g
)
o
f
F
e
2
O
3
=
112
160
×
10
×
10
3
=
7
×
10
3
g
F
o
r
100
%
p
u
r
i
t
y
o
f
10
K
g
t
h
e
a
m
o
u
n
t
o
f
i
r
o
n
=
7
×
10
3
g
F
o
r
80
%
p
u
r
i
t
y
=
7
×
10
3
100
×
80
=
5
.
6
×
10
3
g
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Similar questions
Q.
calculate the mass of iron in 10 kg of iron ore which contains 80% of pure ferric oxide
Q.
Calculate the percentage composition of iron in a ferric oxide (
F
e
2
O
3
).
(Atomic mass of
F
e
=
56
)
Q.
Calculate the percentage composition of
iron in ferric oxide,
F
e
2
O
3
.
[Atomic mass of
F
e
=
56
].
Q.
A sample of 80 g of ferric oxide on reduction with coke gives 42 g iron. Percentage purity of the sample is:
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