What volume of a 2.70 M KI stock solution would you use to make 0.375 L of a 1.25 M KI solution
mLa x Ma = mLb x Mb
mLa x 2.70M = 375 mL x 1.25M. Solve for mLa (the stock solution).
mLa x 2.70M = 375 mL x 1.25M. Solve for mLa (the stock solution).