Multiple choice: The concentration of a substance is 3.5M. If you diluted the substance in water using a 5 ste, 10-fold dilution process, what would the final concentration of the substance be?
a) 3.5 mM b) 350nM c) 35nM d) 350uM e) 35uM

Question

Multiple choice: The concentration of a substance is 3.5M. If you diluted the substance in water using a 5 ste, 10-fold dilution process, what would the final concentration of the substance be?
a) 3.5 mM b) 350nM c) 35nM d) 350uM e) 35uM

anonymous · Answer

5 step*

mos1635 · Answer

C1*V1=C2*10V1=> C2=c1/10
5 steps
Cinitial*Vin=Cfinal*Vf (but Vf=10^5 V1)
Cfinal=Cinitial*10^-5..........