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Amphetamine (C9H13N)(C9H13N) is a weak base with a pKbpKb of 4.2. Part A Calculate the pHpH...

Amphetamine (C9H13N)(C9H13N) is a weak base with a pKbpKb of 4.2.

Part A

Calculate the pHpH of a solution containing an amphetamine concentration of 225 mg/Lmg/L .

Express your answer to two decimal places.

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