Pre-Iah [1} Using Henderson-Hasselhalch equaticin, calculate pH of 1m mL acetate buffer that is prepared with (1325 g of sodium acetate and 51.] mL of 2.4 M acetic acid {Du not forget the inn strength at solution). [2} When 2.5 rnL of [L5 M HCI selutien is diluted into 19 mL, what is the pH of the diluted selutien? [3} When 2.5 rnL of [L5 M NaDH selutien is diluted into 19 mL, what is the pH of the diluted selutie n?