How many moles of tin (Sn) are equivalent to 1.8066x1024 atoms?
N = 1.8066 x 1024 atoms of tin
The number of moles of tin, which can be symbolized as
n = ? mol
n = N / NA
n = N / NA
n = ( 1.8066 x 1024 atoms) / ( 6.02 x 1023 atoms/mol)
n = 2.99369
n = 2.99 mol (3 significant digits)
Notice how units were displayed with each value during each step of the calculation.
Notice how the equal signs in each step of the calculation are vertically aligned
There is 2.99 mol of tin in 1.8066 x 1024 atoms.