Question

of Hydrofluoric acid (Ka-6.6 x 10") solution is titrated with f NaOH. Draw a titration curve, labeling the initial pH (when no sodium 40. 100 ml ofa 0.3 M olution 0.3 M solution hydroxide has been added), the pH at the mid-point of the titration, and the pH at the equivalence point (16 points).

Answer 1

ne rom abov pH 1-85 mid Pank 50ml of 0.3 M NabH is ve ured 50 χ 0.3 nihal 5 mma1 /final 5 mmd acid = 3.lgt log1 = 3.13 PH 3-13

=200ml In'iial find strons bese ie P (pH >귀 4 2. Volume of NaOH adda4 (inm|)
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