The mass of 6.022 × 1023 number of N2 molecules is:
14
24
12
28
Atomic mass of nitrogen is 14.
Thus, the molecular mass of nitrogen molecule = 2 × 14 = 28 u
One mole of any substance contains 6.022×1023 atoms/molecules. Number of molecules of H2SO4 present in 100 mL of 0.02MH2SO4 solution is.............
(a) 12.044×1020 molecules (b) 6.022×1023 molecules
(c) 1×1023 molecules (d) 12.044×1023 molecules