Question

15. Calculate the mass of the following
a) 0.5 mole of N2gas (massfrom mole of molecules) -
b)0.5 mole of N atom (mass from mole of atom)
c) 3.011 x 1023 N atom (Mass from number)
d) 6.022 x 1023 N2molecule (mass from number)​

Answer 1

Answer:

(i) 14g

(ii) 7g

(iii) 7g

(iv) 14g

Explanation:

Now for step wise answer please refer the attachment

Formulas used,

No of moles(n)=Given mass(w)/Molecular mass(M)

No of moles(n)= Given no. of atoms/Avogadros number(NA)