Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Chemistry
Chlorine has two naturally occurring isotopes, 35 Cl and 37 Cl. If the atomic mass of Cl is 35.45, the ratio of natural abundance of 35 Cl and 37 Cl is closest to
Q. Chlorine has two naturally occurring isotopes,
35
Cl
and
37
Cl
. If the atomic mass of
Cl
is
35.45
, the ratio of natural abundance of
35
Cl
and
37
Cl
is closest to
1198
215
KVPY
KVPY 2017
Report Error
A
3.5 : 1
B
3 : 1
C
2.5 : 1
D
4 : 1
Solution:
Let the natural abundance of
35
Cl
be
x
.
Let the natural abundance of
37
Cl
be
y
.
M
a
v
=
x
+
y
M
x
x
+
M
y
y
35.45
=
x
+
y
35
x
+
37
y
∴
y
x
=
1
3