Chemistry, 05.09.2021 18:00 dedrell16

Help me please i need it for homework i cant seen to solve the answer :(( Prepare 15 mg/dl working standard solution from a stock solution of 20 mg/dl. State the volume of diluent and dilution.

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Help me please i need it for homework i cant seen to solve the answer :(( Prepare 15 mg/dl working...