Question

calculate the mass of 3.011×10²⁴ molecules of Nitrogen gas. ( atomic mass = 14u), please answer to me, I am in urgent.

Answer 1

mass of 1 Mole of nitrogen =14u
mass of6.022 *10^23 Moleclues=14
mass of 3.011 Molecules=(14/6.022*10^23)*3.011*10^23
=7u