A buffer consists of 0.45 M CH3COOH (acetic acid) and 0.35 M CH3COONa. The Ka of acetic acid is 1.8 x 10-5 . a) Calculate the pH of the buffer solution. b) Calculate the pH after 5.0 mL of 2.0 M NaOH have been added to 400 mL of the original buffer solution.

What does the cell nucleus do or, how does it function?

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Label a-f based on the table using c for concentrated and d for dilute