If you have 9.56 moles of aluminum oxide how many moles of sodium oxide could you produce?

During chemistry class, carl performed several lab tests on two white solids. the results of three tests are seen in the data table. based on this data, carl has concluded that substance b must have bonds.

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

Which type of fossil does this image depict?