Urgent serial dilution in Bio AS

[AhmedNES]

how can u cary out a serial dilution of a 1.5% conc stock solution using the other method not the 1.5, 0.15 and so on. and the way of doing it plz i need help exam is in few hours.

 

[misof'tegame]

how can u cary out a serial dilution of a 1.5% conc stock solution using the other method not the 1.5, 0.15 and so on. and the way of doing it plz i need help exam is in few hours.

use the formula S1V1=S2V2!!

 

[AhmedNES]

what is this formula how can u use it.

 

[narutogirl]

but can we use this one with the formula when they state use serial dilution...:/??

 

[misof'tegame]

but can we use this one with the formula when they state use serial dilution...:/??

yeah...u can do it either ways..both are correct....do it the way u are comfortable with....if u are new to this formula dont attempt it.chances are good that ur gonna get confused....do it the other way that is serially....keep the formula as ur second choice!

 

[Patient Z3r0]

Serial dilution does not require a formula. You take 1 cm3 of the parent solution and add 9cm3 water. e.g. 1 molar NaOH will become 0.1 molar NaOH. Take 1 cm3 from the new solution (the one you just made) and add 9 cm3 water. The new conc will be 0.1/10=0.01. In serial dilution the conc reduces by 10 each dilution. In regular dilution, you can make any conc required. Hope the info helped