Sciencemadness Discussion Board

pH calculation

andra - 19-4-2012 at 01:31

I want to make a buffer with a pH=7.2. How do I calculate how NaHCO3 and HEPES I must add??
- NaHCO3 (6.216mM; pKa 6.1)
- Hepes (12.5mM; pKa 7.3)