A1.00 l buffer solution is 0.250 m in hf and 0.250 m in naf. calculate the ph of the solution after the addition of 100.0 ml of 1.00 m hcl. the ka for hf is 3.5 × 10-4.

1. and 2. question: in which equation? or i don't understand you, 3. a), 4. c), 5. c), 6. b), 7. d), 8. d) if small number is underlined(behind symbol) , b) if big number is underlined(in front of symbol)9. what is underlined there? 10. c)

The answer is nitrogen-containing bases

Answeramino acids;