Question

You are given a 1 M solution of sodium chloride. How will you prepare 1000 μL of 0.2 M solution of sodium chloride?

Answer 1

The amount of £(M) Nace soln required to prepare 1000 let of 0.2 M) Nace sol can be estimated by the formula [VISI a V 2 S2] N, volume of stock soln to be added (164) Nall) s strongth of stock sola (1M) Nall) volume of solo to be prepared (0.2M) Nal) S Strongth of soln to be prepared (0.2 (M) Nall) N = 1000 del 1000 x 1076 L No 103. a 1 mil VS, a N2 32 27 NX 1 M) a 1 fmL) x 0.2(M) SM0.2 mL a. In order to prepare (1000 4L on 1 mL) of 0.2 (M) Nace soln, 10.2 mL of 1M) all is added and the rest 0.8 ml is made up by ceeator.