Question

N
a
B
r
, used to produce
A
g
B
r
for use in photography can itself be prepared as follows:
F
e
+
B
r
2
→
F
e
B
r
2

F
e
B
r
2
+
B
r
2
→
F
e
3
B
r
8
(not balanced)
F
e
3
B
r
8
+
N
a
2
C
O
3
→
N
a
B
r
+
C
O
2
+
F
e
3
O
4
(not balanced)
How much
F
e
, in kg, is consumed to produce
4.12
×
10
3

k
g

N
a
B
r

Answer 1

Answer:

what is this yaar tell me

Answer 2

Answer:

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