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Question
Chemistry
Which of the following will not have a mass of 10 g?
Q. Which of the following will not have a mass of 10 g?
5151
207
Some Basic Concepts of Chemistry
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A
0.1
m
o
l
C
a
C
O
3
38%
B
1.51
×
1
0
23
C
a
2
+
ions
0%
C
0.16 mol of
C
O
3
ions
23%
D
7.525
×
1
0
22
Br atom
38%
Solution:
0.1
mole
C
a
C
O
3
=
0.1
×
100
=
10
g
1.51
×
1
0
23
C
a
2
+
ions
=
6.023
×
1
0
23
1.51
×
1
0
23
×
40
0.16
mol of
C
O
3
2
−
ions
=
0.16
×
60
=
9.6
g
7.525
×
1
0
22
B
r
atoms
=
6.02
×
1
0
23
7.525
×
1
0
22
×
80
=
10
g