The charge in coulombs on 1 g ion of `N^(3-)` is

Explanation

Charge on one ion of `N^(3-)=3xx1.6xx10^(-19)`coulombs
One g-ion`=6.02xx10^(23)`ions
`therefore`charge on 1 g-ion of `N^(3-)=3xx1.6xx10^(-19)xx6.02xx10^(23)`
`=2.89xx10^(5)`coulombs