$H_3O^+$ $+$ $OH^-$ $\rightarrow$ $2H_2O$
$V_{base}$ $=$ $\;mL$ $c_{base}$ $= $ $\;\frac{mol}{L}$ $c_{acid}$ $=$ $\;\frac{mol}{L}$
1) Introduce numbers like 0.45 2) Choose a volume between 5 and 25 $mL$ 3) Choose molarities beween 0,05 and 0,25 $M$
