-data collection system

-pH sensor

-drop counter with micro stir bar

-magnetic stirrer

-ring stand

-100 mL beaker(2)

-10 mL beaker (2)

-100 mL volumetric flask

-50 mL buret

-buret clamp

-right angle clamp

-funnel

-0.6 g KHP

-0.40 g NaOH

-10 mL pH4, pH 10 buffers

-deionized water 250 mL

-deionized water wash bottle

-parafilm

-cotton swab or tissue