You need to prepare 250. mL of a 0.100 M HCl solution from a 1.00 M stock solution. How much of the stock solution and water will you use?

• A. 100. mL of stock solution and 150. mL of water
• B. 25.0 mL of stock solution and 225 mL of water
• C. 10.0 mL of stock solution and 240. mL of water
• D. 50.0 mL of stock solution and 200. mL of water

Answer: (B)