Question- The drug amphetamine, C6H5CH2(CH3)NH2, Kb = 7.8 x 10^-4, is usually marketed as the hydrogen bromide salt, C6H5CH2CH(CH3)NH3+Br-, because it is much more stable in this solid form. Determine the pH of a solution made by dissolving 6.48 g of salt to the form 200 mL of solution.
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