Calculate the mass of the following
`3.011 times 10^23` number of N atoms

Calculate the mass of the following 6.022 times 10^23 number of N_2 molecules

Calculate the mass of the following: 6.022 xx 10 ^(23) number of N_3 molecules

Calculate the number of moles of the following . 12.044 times 10^23 number of He atoms (finding mole from numbers of particles).

Calculate the mass of the following: (i) 0.5 mole of N_(2) gas (mass from mole of molecule) (ii) 0.5 mole of N atoms (mass from mole of atom) (iii) 3.011 × 10_(23) number of N atoms (mass from number) (iv) 6.022 × 10_(23) number of N_(2) molecules (mass from number)