Preparation of a buffer:
Dissolve in a beaker 27.3 g NaC2H3O2·3H2O in water containing 60 mLof 1 M HCl (you need to make a 250- mL of 1 M hydrochloric acidsolution in advance by the appropriate dilution of concentratedHCl) and dilute with the distilled water to 1 L. Invert the bottleup to 20 times and keep the buffer in a 1 L glass bottle.
*help with dilution of concentrated hcl
