ASAP. could you help me this question? the locker number is 7. thank you so much

In part B-3 of the procedure, you are required to prepare two diffen ibuffere d solutions, one acidic and one basic, using the following reagents: Your target pH values are assigned in accordance with the first digit of your locker number: If your locker number is 5017, for example, you'd prepare buffers of pH.4.20 and 10.00 . For each buffer, calculate the volume (xml) of component-2 that must be added to 20.00 mL of component-1. (Retain a copy of your answers.)