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Byju's Answer
Standard X
Chemistry
Mole Concept and Avogadro's Number
What is the t...
Question
What is the total number of electrons present in 1.6 g of methane?
A
6.023
×
10
23
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B
16
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C
12.04
×
10
23
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D
6.023
×
10
24
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Solution
The correct option is
A
6.023
×
10
23
1 mole methane = 16 g
Electrons in 1 mole of methane are
=
6
+
4
×
1
=
10
Mole of methane in 1.6 g=
m
a
s
s
m
o
l
a
r
m
a
s
s
=
1.6
16
=
0.1
mole
∴
0.1 mol methane contains
0.1
×
10
mol electron=1 mole of electron
1 mole electron=
6.023
×
10
23
electrons
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0
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