You have to prepare a pH 3.60 buffer, and you have the following.10M solutions available: HCOOH, CH3COOH, H3PO4, HCOONa, CH3COONa,and NaH2PO4.
A) Which solutions would you use?
B) How many milliliters of HCOOH and HCOONa would you use to make approximately a liter of the buffer?