Answer:
Number of molecules
\[=\frac{Mass}{Molar\,mass}\times
6.023\times {{10}^{23}}\]
\[=\frac{1.4}{28}\times
6.023\times {{10}^{23}}=3.0115\times {{10}^{22}}\]
Each
molecule of \[{{N}_{2}}\] contains 14 electrons
\[\therefore \] Number of electrons
= \[3.0115\times {{10}^{22}}\times 14\]
\[=4.216\times
{{10}^{23}}\]
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