A sample of zinc oxide contains 3.28 x 10^24 formula units of zinc oxide. A sample of zinc metal contains 2.78 moles of zinc atoms. Which sample contains more zinc; the compound or the element?

Question

anonymous · Answer

The Zinc Oxide contains more zinc atoms, it contains = 3.28x10^24
While the the 2.78 moles contains 1.67x10^24 atoms
Work: 2.78 x 6.02x10^23

anonymous · Answer

Zinc oxide has the formula ZnO. Each molecule of zinc oxide contains 1 zinc atom and 1 oxygen atom for a total of 2 atoms. at total it contains 3.28x10^24 While the the 2.78 moles contains 1.67x10^24 atoms
so, Work: 2.78 x 6.02x10^23