LilGBaby1283 LilGBaby1283 13-05-2023 Chemistry contestada A buffer is prepared by mixing 204 ml of 0.452 M HCl and 0.500 L of 0.400M sodium acetate. What is the pH? How many grams of KOH must be added to 0.500 L of the buffer to change the pH 0.15 units?