11.49 How would you prepare each of the following solutions? (a) 100 mL of a 155 ppm solution of urea, CH4N2O, in water (b) 100 mL of an aqueous solution whose K* concentration is 0.075 M 11.50 How would you prepare 165 mL of a 0.0268 M solution of benzoic acid (C-H,O2) in chloroform (CHCI3)?

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