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Standard IX
Chemistry
Isotopes, Isotones and Isobars
Find the numb...
Question
Find the number of gram-atoms in 88.75 gm of chlorine atom.
(
C
l
=
35.5
)
A
2.5
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B
88.75
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C
35.5
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D
1.25
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Solution
The correct option is
A
2.5
No of moles=
88.75
35.5
=
2.5
moles
Therefore, the number of gram-atoms in 88.75g of chlorine is 2.5.
Hence, option
A
is correct.
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0
Similar questions
Q.
What is the mass in grams of a single atom of chlorine ? (Atomic mass of chlorine = 35.5)
Q.
What will be the ratio of
C
l
35
and
C
l
37
respectively in ordinary chlorine if the atomic weight of chlorine is 35.5 ?
Q.
What will be the ratio of
C
l
35
and
C
l
37
respectively in chlorine if the average atomic mass of chlorine is 35.5?
Q.
Chlorine has two naturally occuring isotopes
37
17
C
l
and
35
17
C
l
and average atomic mass of chlorine is
35.5
. The percentage of
37
17
C
l
is:
Q.
Natural chlorine consists of
35
Cl and
37
Cl . Their atomic masses are
34.97
amu and
36.97
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35.5
amu , the abundance of
35
Cl is :
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