Homework Answers
Initial stock concentration = 10
mg/mL
Final concentration = 10 ug/mL
Dilution factor = 10^-3
Final volume = 100 uL
Dilution 1: Take 10 uL of the stock and add it to 90 uL H2O; Final
concentration = 1 mg/mL
Dilution 2: Take 10 uL of the dilution-1 and add it to 90 uL H2O;
Final concentration = 0.1 mg/mL = 100 ug/mL
Dilution 3: Take 10 uL of the dilution-2 and add it to 90 uL H2O;
Final concentration = 0.01 mg/mL = 10 ug/mL
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