Question

Calculate the number of electrons present in 1.4gramsof dynitrogen.

Answer 1

Hello friend  To find no.  Of electron first we need mol in 1.4g of dinitrogen  Mol=mass/molecular mass=1.4/28=0.05 Therefore no. Electrom=mol*avagadro no.  = 0.05*6.023*10^23 1.246*10^21 ELECTRONS HOPE IT HELPS U