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Question: from the graph in the fgure below estimate the buffering...

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From the graph in the fgure below, estimate the buffering range for this weak acid 10 он 1 0 0.0 0.2 0.4 Equivalents OH added 1) 2.8-48 2) 0.1-0.9 3) 8.0-10.0 4) 80-90
Which of the following is the best approximation of percent ionization of a weak acid when the pH is one unit greater than the pKa 1)50% 2) <10% 3) > 90% 4) between 10% and 50% Question 4 (1 point) A weak acid, which has equilibrium constant, Ka, is greater than 90% ionized if pH pKa +1 pKa has any value greater than the pH the weak acid is less than 10% titrated with OH pKa has any value less than the pH
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