Question

A chemist must prepare 400 mL of 1.00M of aqueous potassium iodide working solution. He'll do this by pouring out 1.82 mol/L some aqueous potassium iodide stock solution into a graduated cylinder and diluting it with distilled water. Calculate the volume in of the potassium iodide stock solution that the chemist should pour out. Round your answer to significant digits.

Answer 1

220mL

Step-by-step explanation:

The dilution formular was applied to obtain the volume of stock solution required to prepare the desired concentration of solution in the desired volume. Details are found in the image attached.