A nail is coated with a 0.022 cm thick layer of zinc. The surface area of the nail is 9.14 cm2. The density of?

A nail is coated with a 0.022 cm thick layer of zinc. The surface area of the nail is 9.14 cm2. The density of zinc is 7.13 g/cm3. How many zinc atoms are used in the coating?A nail is coated with a 0.022 cm thick layer of zinc. The surface area of the nail is 9.14 cm2. The density of?
Volume = 0.022 cm x 9.14 cm^2 = 0.201 cm^3





mass = density x volume = 7.13 g/cm^3 x 0.201 cm^3 = 1.43 g





Moles Zn = 1.43 g / 65.39 g/mol= 0.0219





Atoms = 0.0219 mol x 6.02 x 10^23 = 1.32 x 10^22