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How do you answer a long answer question on how buffer systems work?
Calculate the pH of a 0.025 mol dm-3 solution of methanoic acid. For HCOOH, Ka = 1.58 x 10-4 mol dm-3
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A solution of acetic acid and sodium acetate was prepared, by dissolving 4.1 g of sodium acetate in 750 cm^3 of 0.085 mol/dm^3 acetic acid, at 25 degrees. 10 Cm^3 of 2 mol/dm^3 HCl was added. Ka is 1.76*10^-5, calculate and explain the change in pH
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