calculate the concentration for caffeine, benzoic acid, aspartame and acetylaalicylic acid for every standard

A series of 5 standard solutions must be prepared. Obtain 5100mL volumetric flasks and label the flasks standards 1, 2, 3, 4, and 5 . Use the volumes from the table below to prepare the standard solutions. Dilute each standard to volume with buffer. Calculate and record the actual concentrations in your lab notebook before proceeding