An unknown compound is analyzed and found to be composed of 14.79% nitrogen, 50.68% oxygen, and 34.53% zinc. What is the empirical formula for the compound?
I follow the normal rigmarole: assume 100 g of unknown stuff and come up with the formula
In 100 g of unknown, there are 50.68 g
We divide thru by the atomic weights of oxygen, zinc, and nitrogen respectively:
We divide thru (again) by the lowest ratio (that of Zn) to give: