Determine the oxidation states of the compound seo2

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution? a. 3.88 m, b. 1.03 m, c. 1.5 m, d. 15.5 m

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

What is the percent by mass of oxygen in fe2o3