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Total number of electrons in `1.4g` dinitrogen gas is .

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Total number of electrons in `1.4g` dinitrogen gas is .
A. `4.2 xx 10^(23)`
B. `4.2 xx 10^(24)`
C. `4.2 xx 10^(23)`
D. `4.2 xx 10^(22)`
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`1.4g N_(2) = (1.4)/(28) "mole" N_(2)`
`1 "mole" N_(2) = 14 xx 6.02 xx 10^(23)` electrons
`(1.4)/(28) "mole" N_(2) = (14 xx 6.023 xx 10^(23) xx1.4)/(28)`
` =4.2 xx 10^(23)` electrons .
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