The atomic weight of naturally occurring neon is 20.18 amu. Naturally occurring neon is composed of two isotopes

(i)Ne−20 (19.99amu)

(ii)Ne−22(21.99amu)

Calculate the number of Ne−22 atoms in 12.55g sample of naturally occurring neon?

Calculate the molar mass (atomic weight) of naturally occurring uranium from the masses of two major isotopes of uranium (²³⁵U = 235.0409; ²³⁸U = 238.0508) and their natural abundances. 

Calculate the molar mass (atomic weight) of naturally occurring uranium from the masses of the 2 major isotopes of uranium (²³⁵U = 235.0409;²³⁸U =238.0508) and their natural abundances.

Calculate the molar mass (atomic weight) of naturally occurring uranium from the masses of the two major isotopes of uranium ( ²³⁵U = 235.0409; ²³⁸U=238,0508) and their natural abundances