Consider the dilution of 25.00 mL of an aqueous solution of potassium phosphate to prepare 120.00 mL of 0.0625 M solution of potassium phosphate. What is the number of moles of potassium ions in 15.00 ml of the stock solution? Select one: O a. 0.0225 mol O b. 0.0135 mol O c. 7.50 x 10- mol O d. 1.50 mol O e. 4.50 x 10-mol