An acid HX has a [H] = 5.7 x 104 M. The pKa of the acid must be, given that 10.0 g of the acid is dissolved to make 250.0 mL of

Question

An acid HX has a [H] = 5.7 x 104 M. The pKa of the acid must be, given that 10.0 g of the acid is dissolved to make 250.0 mL of solution. Assume the mol. wt of HX is 81.07 g/mol.
(a) 5.7 x 10^-4
(b) 3.25 x 10^-8
(c) 6.18
(d) 6.59 x 10^-7
(e) None

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