6. What is the pH of a mixture of 5 ml of 0.1 mol/litre sodium acetate and 4 ml of 0.1 mol/litre acetic acid? (pKa of acetic acid at 25°C = 4.76) (3) 7. How is the pH changed on adding 1 ml of 0.1 mol/litre HCI followed by 3ml of 0.5 mol/litre NaOH to the mixture in question 6 above? (Show your answer by means of calculation taking consideration of transitions place and showing how the pH of the solutions is affected) (4) taking
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Please help with 6&7.
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A buffer prevents drastic changes in PH, meaning for this one it should be ranging somewhere +/- 4.86 but your answer is way out of the range...can you explain why is 12.89?
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