7.(10 pts) Describe how you prepare 550mL of a 0.025 M stock solution of potassium permanganate (Formula Weight: 158.03g/mole. Using this stock solution, describe how you would prepare 5mL of the following dilutions: 0.1mM and 50?M
8.(5 points) How many mL of a 5% can be prepared from 2g of MgCl2 (Formula Weight: 95.21g/mole)
8.(5 points) How many mL of a 5% can be prepared from 2g of MgCl2 (Formula Weight: 95.21g/mole)