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Byju's Answer
Standard IX
Chemistry
Atomic Number
If bromine at...
Question
If bromine atom is available in the form of say, two isotopes
79
35
B
r
(49.7%) and
81
35
B
r
(50.3%). Calculate the average atomic mass of bromine atom.
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Solution
Average atomic mass of
B
r
=[
A
t
o
m
i
c
m
a
s
s
o
f
B
r
79
35
×
p
e
r
c
e
n
t
a
g
e
+
A
t
o
m
i
c
m
a
s
s
o
f
B
r
81
35
×
p
e
r
c
e
n
t
a
g
e
]/100
=
[
79
×
49.7
+
81
×
50.3
]/100
=
80.006
u
The correct answer is
=
80.006
u
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Similar questions
Q.
Bromine atom is available In two isotopes,
79
35
B
r
(49.7 %) and
81
35
B
r
(50.3 %) the average atomic mass of bromine atom is :
Q.
If bromine atom is available in the form of, say, two isotopes
79
35
B
r
(49.7%) and
81
35
B
r
(50.3%), calculate the average atomic mass of bromine atom.
Q.
Question 10
If bromine atom is available in the form of, say, two isotopes
79
35
Br (49.7%) and
81
35
Br(50.3%), calculate the average atomic mass of bromine atom.
Q.
If bromine atom is available in the form of two isotopes
79
35
Br (49.7 %) and
81
35
Br (50.3 %), calculate the average atomic mass of bromine atom.
Q.
Bromine occurs in nature mainly in the form of two isotopes
Br
35
79
and
Br
35
81
. If the abundance of
Br
35
79
is isotope is 49.7% and that of
Br
35
81
isotope is 50.3% calculate the average atomic mass of bromine.
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