Question

How is 640 mL of 0.5X buffer prepared from an 8X stock?

Answer 1

Therefore, add 40 mL of 8X stock to 600 mL of distilled water to pre- pare a total of 640 mL of 0.5X buffer (640 mL final volume  40 mL 8X stock  600 mL volume to be taken by water).