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You have a 5 mg/ml solution of caffeine (molar mass 194.2 g/mol)


You have a 5 mg/ml solution of caffeine (molar mass 194.2 g/mol). You diluted that solution 200 times (200 fold),. Calculate the final concentration (in uM, micromol/t) of caffeine after dilution

 

  • 12.9 uM 

  • 19.4 uM 

  • 129 uM 

  • 194.2 uM

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