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Byju's Answer
Standard X
Chemistry
Avogadro's Number
Calculate the...
Question
Calculate the no.of electrons present in 1.4 g of di-nitrogen gas.
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Solution
Molar mass of
N
2
= 28 g/mol
]So, no. of moles = 1.4/28 = 0.05 mole
1 mole of any molecule has
6.022
×
10
22
molecules,
0.05 moles of
N
2
=
0.05
×
6.022
×
10
22
1 molecule of nitrogen has 14 electrons in it.
So,
0.05
×
6.022
×
10
22
molecules =
0.05
×
6.022
×
10
22
×
14
electrons
=
4.214
×
10
23
electrons
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