Write the balanced net ionic equation for the reaction of the In2- anion with sodium hydroxide solution to form the InOH3- anion.

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

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

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